if a compact object crosses our line of sight to a distant star, the star’s light will be gravitationally lensed and we will observe a
Answers
If a compact object crosses our line of sight to a distant star, we will observe gravitational lensing, which distorts and magnifies the star's light.
Gravitational lensing occurs when the gravitational field of a massive object, such as a compact object (e.g., a black hole or a neutron star), bends the path of light passing near it. This bending of light causes the image of the distant star to be distorted or magnified as observed from our perspective on Earth.
The exact nature of the gravitational lensing effect depends on the mass and geometry of the compact object and its alignment with the star and the observer. There are two main types of gravitational lensing:
1. Strong lensing: In this case, the compact object's gravitational field is strong enough to create multiple, distorted images of the star. These images can form rings or arcs around the compact object, creating a striking visual effect.
2. Weak lensing: Here, the gravitational field of the compact object causes a subtle distortion of the star's image, stretching it or slightly changing its shape without creating multiple images.
Gravitational lensing provides a unique opportunity for astronomers to study distant objects that would otherwise be difficult to observe directly. By analyzing the characteristics of the lensing effect, scientists can gather information about the mass, size, and distribution of matter in the compact object as well as the properties of the star being lensed.
Overall, when a compact object crosses our line of sight to a distant star, we will observe the fascinating phenomenon of gravitational lensing, which can result in distorted, magnified, or multiple images of the star.
To learn more about gravitational lensing refer here:
https://brainly.com/question/13920229
#SPJ11
Related Questions
In Sahara the term erg is used to describe a(n) Answers are: A: oasis B: sand sea C:Rocky Mountain D:river
Answers
Answer:
B: sand sea
Explanation:
"Erg" is an acronym used to describe a sand sea that, in general, refers to a mountain of sand that was created by the wind in a flat area. The dunes do not have any vegetation cover, since the wind can only drag the sand. In addition to the sand sea, the acronym "erg" can indicate the existence of sand sheets, which are created when the dunes are not formed.
How are life expectancy and infant mortality related?
Answers
Answer:
High infant and child mortality rates result in lower values of life expectancy at birth than at older ages. This imbalance in life table disappears only when the crossover occurs and it happens when the inverse of the infant mortality becomes equal to the life expectancy at age one.
Explanation:
found this answer on Google (not my own answer I just copied and pasted)
How does the British Weather affect your lives?
Answers
Answer:
The main influence of the British climate is our close proximity to the Atlantic Ocean, our northern latitude, and the warming of the waters around the land by the Gulf Stream (a warm current of the northern Atlantic Ocean).
Explanation:
Edex chose memphis, tennessee, as its u.s. hub because:_____
a. all of these are true.
b. the airport has relatively few hours of bad weather.
Answers
The correct option is b. Edex chose Memphis, Tennessee, as its U.S. hub because the airport has relatively few hours of bad weather.
Edex selected Memphis, Tennessee, as its U.S. hub due to the airport's favorable weather conditions. The city experiences relatively few hours of bad weather, making it an ideal location for operating flights. This ensures that Edex can maintain a more reliable and consistent schedule, reducing the risk of disruptions caused by adverse weather conditions.
Additionally, having fewer hours of bad weather decreases the likelihood of flight cancellations or delays, allowing for smoother operations and improved customer satisfaction. By choosing Memphis, Edex can benefit from a strategic location that minimizes weather-related challenges and enhances the efficiency and reliability of its services. Overall, the decision to select Memphis as its U.S. hub aligns with Edex's objective of providing a seamless and reliable transportation experience for its customers.
To know more about the U.S. hub visit:
https://brainly.com/question/13782149
#SPJ11
Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation. What factor is likely most responsible for the changes observed in the world’s rainforests? a. volcanic activity b. human activity c. temperature changes d. solar eclipses
Answers
Answer:
Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation.
What factor is likely most responsible for the changes observed in the world’s rainforests?
b. human activity
Especially in tropical forests, there are changes made by human activities through incessant deforestation (legal or illegal), deforestation and land use for agriculture or housing.
Over the past 50 years, tropical rainforest acreage has decreased massively as a result of b. human activity
Tropical rainforests have seen a massive decrease as a result of humans cutting down trees because:
They use the trees in the logging business They use the land for farming and settlementAs the human population grows, the rainforest continues to shrink as people continually claim land from the forests for settlement and farming as well as business activities. This has led to the massive drop in rainforest acreage.
In conclusion, human activity is to blame for the loss of rainforests.
Find out more at https://brainly.com/question/23270360.
Which statement best explains how the rule of General Mohamed Siad Barre affected Somalia?
It helped the country by establishing a stable military government.
o It hurt the country by dividing it into separate territories.
It helped the country by improving social programs and the economy
O It hurt the country by limiting dissent and causing a refugee crisis.
) Intro
Done
Answers
Answer:
D
Explanation:
As per the given statement "how the rule of General Mohamed Siad Barre affected Somalia" was that it hurt the country by limiting dissent and causing a refugee crisis.
Who was Mohamed Siad Barre ?Mohamed Siad Barre (Maxamed Siad Barre) was a military general in Somalia and the country’s third president. He came into power in October of 1969, leading a coup d’état against the elected government. Barre ruled over Somalia until 1991 when he was overthrown by militias, leading the country into a bloody civil war.
Where is Somalia?Somalia, officially the Federal Republic of Somalia, is a country in the Horn of Africa. The country is bordered by Ethiopia to the west, Djibouti to the northwest, the Gulf of Aden to the north, the Indian Ocean to the east, and Kenya to the southwest. Somalia has the longest coastline on Africa's mainland.
To know more about Mohamed Siad Barre and Somalia
brainly.com/question/2410137
#SPJ2
what do these baseline (before cutting) data tell you about the watersheds' streamflow?
Answers
Baseline data is the data collected before carrying out an experiment or before any changes occur in environmental factors such as forest cutting. Baseline data is used as a reference point to compare the current status of an area with the status of the area before the changes have been made.
The content loaded of a stream is the concentration of dissolved substances such as nitrogen, phosphorus, and other chemicals in a stream. Streamflow is the amount of water that flows through a stream during a specific time period. The baseline data collected before cutting trees from the watershed provide important information about the changes in the streamflow of the watershed.
Forest cutting can affect streamflow and increase the content loaded of the stream. What do these baseline (before cutting) data tell you about the watersheds' streamflow?
Before the trees are cut down, the streamflow of the watershed will depend on the size of the stream and the amount of precipitation it receives. After the forest cutting, the streamflow may increase due to the reduced interception of the rainfall by the trees, resulting in a higher quantity of water being transported into the stream. The content loaded of the stream is also expected to increase because of the exposure of the watershed to erosion after the cutting of trees.
Overall, the baseline data before forest cutting can provide a comparison of the changes that occur in the streamflow and water quality after the trees are cut from the watershed. In conclusion, the baseline data collected before forest cutting provides essential information on the changes that may occur in the watershed's streamflow. Forest cutting can increase the quantity of water transported to the stream, and it can also increase the content loaded of the stream.
To know more about environmental factors visit:
https://brainly.com/question/29529998
#SPJ11
which of the following is not a reason for the seasons? question 68 options: earth's axial tilt the revolution of earth around the sun the timing of earth's perihelion and aphelion the shape of earth
Answers
The shape of Earth is not a reason for the seasons. The other three options - Earth's axial tilt, the revolution of Earth around the Sun and the timing of Earth's perihelion and aphelion - are all contributing factors to the changing of the seasons.
Earth's axial tilt is the main factor in the changing of the seasons. This tilt causes the Sun's rays to hit different parts of the Earth at different angles throughout the year, resulting in different temperatures and different amounts of daylight. The revolution of Earth around the Sun also has an effect on the changing of the seasons, as the Earth is closer to the Sun during certain parts of the year and farther away during others. Finally, the timing of Earth's perihelion (its closest point to the Sun) and aphelion (its farthest point from the Sun) also plays a role in the changing of the seasons, as the Earth is closer to the Sun during the winter months and farther away during the summer months.Learn more about revolution of Earth at: https://brainly.com/question/15663774
#SPJ4
HELP!! 100 POINTS AND BRAINLIEST!!!
Choose three possible solutions to the problem. (immigration to the us). Briefly compare and contrast the advantages and disadvantages associated with these solutions. In the table below note three advantages and disadvantages for each solution. BE sure to use research to support your claims.
Answers
Answer:
What are the advantages and disadvantages of immigration?
Immigration can give substantial economic benefits – a more flexible labour market, greater skills base, increased demand and a greater diversity of innovation. However, immigration is also controversial. It is argued immigration can cause issues of overcrowding, congestion, and extra pressure on public services.
Explanation:
What is Geologic Event? (please it's urgent)
Answers
Answer:
An identifiable event during which one or more geological processes act to modify geological entities.
Explanation:
PLEASE HELP!!
Why do you think Albertans often defend the oil sands, while those of us who live elsewhere find them easier to criticize?
Answers
Answer:
There are four major issues affecting the oilsands: declining price outlooks, market access, a reduction in investment and climate change pressures.
Explanation:
The environmental consequences of oil production from Alberta's tar sands are major, beginning with its effect on climate change. North America's transition to oil from the tar sands not only perpetuates, but actually worsens, emissions of greenhouse gas pollution from oil consumption.
You are at 10°N and 30°E: you move to a new location that is 25° south and 40° west of your present location. What is your new latitudinal/longitudinal position? 4. You are at 20°S and 165°E; you move to a new location that is 45° north and 50° east from your present location. What is your new latitudinal/longitudinal position?
Answers
Your new latitudinal/longitudinal position is 15°s and 350°w.2.
1. starting at 10°n and 30°e, if you move 25° south and 40° west, you can calculate your new latitudinal and longitudinal position as follows:
latitude: 10°n - 25° = -15° (or 15°s)
longitude: 30°e - 40° = -10° (or 350°w) starting at 20°s and 165°e, if you move 45° north and 50° east, you can calculate your new latitudinal and longitudinal position as follows:
latitude: 20°s + 45° = 25°n
longitude: 165°e + 50° = 215°e
Learn more about longitudinal here:
https://brainly.com/question/15722883
#SPJ11
Identify and explain the key idea of the 1st agriculture revolution
Answers
Answer:
The First Agricultural Revolution, also known as the Neolithic Revolution, is the transformation of human societies from hunting and gathering to farming. Farming and the raising of livestock tied people to land for cultivation and grazing grounds, and this transition gave rise to permanent settlements.
Explanation:
I looked it up.
Which of the following best describes MONSOONS? *
A. Areas of the Pacific Ocean characterized by high amounts of tectonic activity like earthquakes and volcanoes
B. Seasonal rains that last for weeks and bring flooding and allow for agriculture
C. Massive tidal waves caused by underwater earthquakes
D. Massive droughts (lack of rain) throughout Southeast Asia
Answers
identify a human activity that leads to the formation of tropospheric ozone as a secondary pollutant and explain why tropospheric ozone levels peak in the daytime
Answers
The human activity that leads to the formation of tropospheric ozone as a secondary pollutant is the burning of fossil fuels, such as gasoline and diesel, for transportation and energy generation.
When fossil fuels are burned, they release nitrogen oxides and volatile organic compounds (VOCs) into the atmosphere. These compounds are then broken down in the presence of sunlight and react with one another to form ozone. This process is known as photochemical smog.
Tropospheric ozone levels peak in the daytime because the reaction that leads to its formation is driven by sunlight, and the intensity of sunlight is highest during the day. Furthermore, the reaction is also driven by air temperature, which is usually highest during the day.
To know more about photochemical smog, click here:
https://brainly.com/question/15728274
#SPJ4
What is the main issue with controlled burns?
Answers
Answer:
it causes air pollution
Explanation:
The shape of Earth's surface (it's geomorphology) is function of three competing factors. What are they
Answers
The shape of Earth's surface, also known as its geomorphology, is the result of three main competing factors. They are tectonic activity, erosion and weathering and the influence of climate and precipitation on the Earth's surface.
The first factor is tectonic activity, which includes the movement of Earth's plates, volcanic eruptions, and earthquakes. These events can cause uplift and subsidence of the Earth's crust, creating mountains, valleys, and other landforms.
The second factor is erosion and weathering, which is the gradual breakdown of Earth's surface by natural elements like wind, water, and ice.
This process can create valleys, canyons, and other landforms by wearing away softer materials and leaving harder ones behind.
The third factor is the influence of climate and precipitation on the Earth's surface. This includes the formation of glaciers and the shaping of river channels and coastlines.
Climate and precipitation can also create deserts, forests, and other biomes that have a significant impact on the shape of the Earth's surface.
All three of these factors interact and compete with each other to shape the Earth's surface over time. Understanding the interplay between these factors is crucial to understanding the geomorphology of the Earth's surface.
For example, tectonic activity can create mountains that are then eroded by wind and water, and climate can determine how much precipitation falls on these mountains and how quickly they erode. Understanding the interplay between these factors is crucial to understanding the geomorphology of the Earth's surface.
For more question on "Geomorphology " :
https://brainly.com/question/26804642
#SPJ11
45
If
* = 2, what is the value of
?
a
a
A) 0
B) 1
C) 2
D) 4.
Answers
Answer:
A but i don't know for sure
Migration occurs as a result of push and pull factors. Please select the best answer from the choices provided T F.
Answers
Answer:
True on Edg 2021
Explanation:
Migration can occur as result of push and pull factors. Push factors are those which force a person to move.
Migration occurs as a result of push and pulls factors is a true statment.
What are push and pull factors?Push factors, such as unemployment, a low level of social mobility, murder, or intolerance, are causes for people to leave their country. Pull factors are the explanations for why someone might want to live in a specific nation.
While pull forces entice migrants to new locations, push factors motivate individuals to abandon their places of origin as settle elsewhere. For instance, a lot of jobs is a strong pull factor while mass unemployment is frequently a push factor. The pull causes for migration include joblessness. Workplace possibilities are a push factor for relocation.
These elements may include the pull of the economy or bias or oppression. Poor medical insurance, inadequate education, or injustice are some of the prevalent motivations from the place of origin.
Learn more about push and pulls factors, Here:
https://brainly.com/question/18831390
#SPJ5
What physical features isolate China from the rest of the world?
Answers
Answer:
The physical features that isolate China from the rest of the world are the Gobi dessert in the north, and the Himalayan mountain range in the southwest.
Explanation:
A flood impacts an ecosystem by displacing organisms' habitats, polluting bodies of water as the floodwater recedes, and loss of life. True False.
Answers
This statement is true about the effect of floods on the ecosystem. Flood impact individuals or communities as well and have social economic and environmental consequences.
What are natural disasters and its effect?Natural Disasters are catastrophic events that led to atmospheric geological and hydrological events which cause drought, flood, earthquake, hurricanes, and landslides.
Natural disasters cause damage to property, financial loss, loss of life.
People lose their homes, putting their lives in danger to survive in disasters time.
Therefore this statement is true.
Learn more about Natural disasters here:
brainly.com/question/24220672
Answer:
True
Explanation:
got a 100% if you want the answers for all just ask :)
One side of a design is reflected exactly across a central axis, mirroring the other. Under which
of the following categories does this example fall?
(1 poin
formal symmetry
near symmetry
perfect symmetry
radial symmetry
Answers
Near symmetry and perfect symmetry are not the same as formal symmetry. Near symmetry means that the elements of a design are similar but not identical, while perfect symmetry means that the design is identical on all sides. Radial symmetry is a type of symmetry where the elements of a design are arranged around a central point.
This example falls under the category of formal symmetry. Formal symmetry is also known as bilateral symmetry, where one side of a design is a mirror image of the other. This type of symmetry is often used in graphic design, art, and architecture. It is an essential element of many designs, as it creates a sense of balance and harmony. Formal symmetry can be seen in many everyday objects, such as logos, buildings, and even clothing. In contrast, near symmetry and perfect symmetry are not the same as formal symmetry. Near symmetry means that the elements of a design are similar but not identical, while perfect symmetry means that the design is identical on all sides. Radial symmetry is a type of symmetry where the elements of a design are arranged around a central point.
To know more about near symmetry visit :
https://brainly.com/question/29744399
#SPJ11
Which of these is a structure that is used for both residential and commercial purposes?
a) multiuse building
b) gentrification
c) smart growth
d) brownfield
Answers
Answer: A Multiuse building
Explanation:
A tsunami a. may be just a broad, gentle swelling out at sea but grows as it approaches shore. b. can get big, but never bigger than 30 feet high. c. is a special kind of tidal wave caused by the gravitational attraction of the Sun, not the Moon. d. is dangerous near its source, but dies out within about 200 miles
Answers
Answer:
A tsunami a. may be just a broad, gentle swelling out at sea but grows as it approaches shore.
The suspended load of a stream consists of particles that are?
Answers
The suspended load of a stream consists of particles that are b. held aloft in the stream flow.
What is a stream's suspended load?Fine sediment particles suspended and carried by the stream make up the suspended load. These materials are too big to disintegrate, yet they are also too little to lie on the stream bed . Clay and silt are two examples of suspended solids that are prevented from settling on the stream bed by stream movement.
Although larger particles (coarser sands) could occasionally be carried in the lower water column in more vigorous flows, suspended load typically comprises of fine sand, silt, and clay size particles.
Therefore, option B is correct.
Learn more about particles at:
https://brainly.com/question/29367909
#SPJ1
missing options:
a. rolled and bounced along the stream bed.
b. held aloft in the stream flow.
c. dragged along the stream bed.
d. dissolved in solution.
CHOOSE WHICH IS CORRECT
If a ray cuts an angle into two smaller, congruent angles, then it is an angle
bisector.
A) If a ray cuts an angle into two smaller, congruent angles, then it isn't an angle bisector.
B) If a ray is an angle bisector.
it cuts an angle into two smaller, congruent angles.
C) If a ray doesn't cut an angle into two smaller, congruent angles,then it isn't an angle bisector.
D) If a ray isn't an angle bisector, then it doesn't cut an angle into two smaller, congruent angles.
Answers
If a ray is an angle bisector, then it cuts an angle into two smaller, congruent angles.
For better understanding, let us explain what the statement means
This statement 'If a ray cuts an angle into two smaller, congruent angles, then it is an angle" can be rewritten as the answer above but not like the other options because it will end up contradicting itself. That is because a ray (one ray) is an angle bisector and if it has to change, it then have to change to two which is then called an angle trisector ( Two rays that divide an angle into three congruent angles does trisect the angle) so it will no longer be one but two and then that we change the statement completely. so we have to go with the second options in the picture shown.From the above, we can therefore say that the answer If a ray is an angle bisector, then it cuts an angle into two smaller, congruent angles, is correct
Learn more about rays as a bisector from:
https://brainly.com/question/24485009
Answer:A
Explanation: I think it is A I tried the other answer it was wrong
Between earth and earth's atmosphere, the
amount of water remains constant; there is never
a drop more, never a drop less. This is a story of
circular infinity, of a planet birthing itself.
Linda Hogan
quotefancy
what do you think this quote is referencing?
Answers
Answer:
The quote must be referencing to Earth.
Explanation:
I think this is the answer because, if you look it says "Between Earth and Earth's atmosphere" so that gives me a hint that the quote must be talking about Earth. Since, Earth has water, an atmosphere and there is water on Earth.
the oso landslide exposed the underlying lithology of the hillside, which features a unit of clay (deposited in a pro-glacial lake) covered by glacial outwash sand (meltwater deposits). similar lithology is found throughout the puget sound and adjacent areas. based on what you know about the physical properties of the two sediment units, how do you think this particular pre-existing condition increases the risk of landslides?
Answers
The oso landslide exposed the underlying lithology of the hillside, which features a unit of clay in many situations, the sediment is altered by the meltwater that moves off the ice sheet after it has been deposited by a subsiding glacial mass.
Additional icy landforms are produced by this additional mode of transport and deposition. In contrast to work, these designs are typically arranged by grain size because flowing water is the primary mode of transportation.Similar to a canal, water flowing along the glacial mass's base carries and deposits silt.
An esker is a sedimentary edge that has been twisted by the flow of a meltwater stream under the ice. The esker becomes visible as the frozen mass melts and retreats.When water flows over or through the ice, it may leave behind sediment that gradually builds up into a hill. The hill that frames the kame slope is left behind as the ice sheet retreats.this particular pre-existing condition increases the risk of landslides.
To know more about landslide visit:
https://brainly.com/question/29737906
#SPJ4
If part of the rainforest is chopped down, what will happen to the nutrients in the soil?
Answers
Answer:
it would likely become dry and barren and in certain cases desertification and drought happens.
Explanation:
Both ____
and____
were a heavy influence on Japan's culture.