why do stars create rainbows of light?

Answers

Answer 1

Answer:

the temperature of the star causes it to change color .

Explanation:

the color of a star is linked to its surface temperature . the hottest ones are blue or blue-white, which are shorter wavelengths of light. the colder ones are red or red-brown, which are longer wavelengths .


Related Questions

Existen parques nacionales en todos los paises

Answers

Answer:

esta bien cual es la pregunta

If it is summer at the North Pole, what season is it at the South Pole?

Answers

Answer:

winter

Explanation:i just took the test:/

Answer:

It would be winter in the south pole.

Explanation:

Match each word with the phrase that best defines it.
data
resource
boundary
trend
Intro
0000
information used for calculation, analysis,
and planning
something that can be used to accomplish
a goal
a border that separates one region or
governed area from another
a pattern in a certain direction
Done

Answers

Data: Information used for calculation, analysis, and planning.

Resource: Something that can be used to accomplish a goal.

Boundary: A border that separates one region or governed area from another.

Trend: A pattern in a certain direction.

Intro: It is unclear what this refers to without further context.

0000: It is unclear what this refers to without further context.

Given the conditional statement “if i am hungry, then i eat” what is the inverse

Answers

Answer:

If I am not hungry, then I don't eat.

Explanation:

Answer:

I am full, I do not eat.

calculate the total number of years that each geological eras lasted, rounding to the neareast 100 million, Then, calculate each of these values as a percentage of the total 4.6 billion years of Earth History. Round your answer to the units place.

Answers

Explanation:

Cenozoic = 100 mil years (rounded) = 66 real

Mesozoic = 200 mil years (rounded) = 174 real

Paleozoic = 300 mil years (rounded) = 330 real

Cenozoic = 100mil/4.6bil = .0217 (x100 for percentage) = 2%

Mesozoic = 200mil/4.6bil = .0435 (x100 for percentage) = 4%

Paleozoic = 300mil/4.6bil = .0652 (x100 for percentage) = 7%

Rock faults are ruptures along which opposite faces of rock have slid past each other. In the figure, points A and B coincided before the rock in the foreground slid down to the right. The net displacement
AB
is along the plane of the fault. The horizontal component of
AB
is the strike-slip AC. The component of
AB
that is directly down the plane of the fault is the dip-slip AD. (a) What is the magnitude of the net displacement
AB
if the strike-slip is 22.5 m and the dip-slip is 16.9 m ? (b) If the plane of the fault is inclined at angle φ=50

to the horizontal, what is the magnitude of the vertical component of
AB
?

Answers

(a) Magnitude of net displacement of dip-slip and strike-slip is |AB| = 523.15m.

(b) The vertical component of net displacement is x = 400.7 m.

Vectors are the quantities that have magnitude as well as direction. Though the question is stated in 3-D but we can imagine the problem in 2-D as the main vectors acting are in 2-D with each other. Resultant vector is the vector sum of the vectors which is basically the point or position or direction in which the combined action of all vectors occurs.

Net displacement is the resultant of dip-slip vector and strike-slip vector which is evaluated as,

AD = 16.9 m

AC = 22.5 m

Net Displacement = |AB| = \(\sqrt{|AD|^2+|AC|^2}\)

Putting the values of variables from question,

|AB| = \(\sqrt{(16.9m)^2+(22.5m)^2}\)

|AB| = 523.15 m

Therefore, magnitude of net displacement of dip-slip and strike-slip is |AB| = 523.15m.

(b) Now according to the question, we have been provided with the horizontal angle of AB vector and the value of its vertical component is being asked.Any vector, on substitution yields two components. One is the cos component and the other is the sin component.

As we have been provided with horizontal angle and is asked for vertical component, hence the vertical component of net displacement (let x) is,

x = ABsinϕ

Putting value of ϕ from question and of AB from the last part,

x = 523.15 sin (50°)

Calculating the equation will give,

x = 400.7m

Therefore, the vertical component of net displacement is x = 400.7 m.

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Name the two areas of India which are known for crude oil

Answers

Mumbai High, located off the coast of Mumbai in the Arabian Sea.
Krishna-Godavari Basin, located on the east coast of India, spanning across the states of Andhra Pradesh and Tamil Nadu.

how do erosion, desertification, deforestation, and damming impact the environment?
A. they negatively impact the environment by limiting greenhouse gas emissions
B. they positively affect the environment by creating more places for humans to live
C. they positively affect the environment by protecting biodiversity and animal habitats
D. they negatively impact the environment by destroying soil, animal habitats, and waterways​

Answers

Answer:

D

Explanation:

edge 2020

Answer:

D

Explanation:

Numerous climate science studies suggest that ________ are the cause of the recent documented changes in Earth's climate.

Answers

The climate of the earth is constantly changing. Numerous climate science studies suggest that human activities are the cause of the recent documented changes in Earth's climate.

 

Human activity is known to be the main reason for climate change. People tend to burn fossil fuels and use different land from forests to agriculture purpose.

When the Industrial Revolution began, people were burning a lot of fossil fuels, chemicals plants and altered large areas of land from forests to farmland.

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What are the advantages and disadvantages of Goode's map projection?

Answers

Answer:

The advantage of this projection is each of the continents are the correct size and in proportion to one another and the disadvantage is distance and direction are not accurate.

Explanation:

In 3-5 sentences summarize Ukraine banning men 16-60 from leaving

Answers

Answer:

As we all know, Ukraine and Russia have been in some conflict, recently resulting in war. Ukraine has decided to ban all men in the age range of 16-60 from leaving the country. This is because Ukraine need people to fight in the war. Ukraine is trying to protect the people who have chosen not to leave the country.

Which country sits atop an underwater mountain range and has volcanoes, hot springs, and geysers?

Answers

Iceland is the country that sits atop an underwater mountain range and has volcanoes, hot springs, and geysers.

Iceland is located in the North Atlantic Ocean, and it sits on the Mid-Atlantic Ridge, which is an underwater mountain range that runs through the Atlantic Ocean. The ridge marks the boundary between the Eurasian and North American tectonic plates, which are moving apart. This tectonic activity has resulted in the formation of numerous volcanoes, hot springs, and geysers in Iceland.

Iceland is known for its geothermal activity, with geothermal energy being a significant source of power for the country. The geothermal heat in the region provides the energy for the geysers, hot springs, and the creation of unique landscapes, including geothermal areas such as the famous Geysir and the Blue Lagoon.

The volcanic activity in Iceland is also notable, with the country having a high concentration of volcanoes, including the famous Eyjafjallajökull volcano that erupted in 2010, disrupting air travel in Europe. The volcanic activity contributes to the geologically active nature of the country and the stunning natural phenomena that attract visitors from around the world.

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50 POINTS: BRAINLIEST FIRST CORRECT ANSWER
(Gradpoint)

Baron's family often eats dinner at different times from each other, sometimes sitting in front of the television. Han's family always sits down to dinner together and says a prayer before eating.
What are these customs an example of?

A.) cultural diffusion


B.) cultural regions


C.) cultural differences

Answers

Answer:

b

Explanation:

When you write so imaginatively about "life on other planets," you are entering the ______ of science fiction.

Answers

You enter science fiction territory when you write about "life on distant worlds" in such an innovative way.

The required details for science fiction in given paragraph

A subgenre of speculative fiction, science fiction often explores innovative and future ideas including cutting-edge science and technology, space travel, time travel, parallel universes, and extraterrestrial life. Ancient mythology is where science fiction had its origins. There are numerous subgenres in it and it is related to fantasy, horror, and superhero fiction. Authors, critics, scholars, and readers have debated its precise definition for a very long time. In literature, film, television, and other forms of media, science fiction has gained popularity and influence throughout much of the world.

It has been referred to as "literature of ideas" and frequently examines the possible effects of advancements in science, society, and technology.

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Seaweed are marine algae that grow attached to the ocean floor. The waves in the ocean pull the algae in all directions. What features helped the algae survive in such an habit?
A. Shallow root system
B. short unbranched stalk
C. Flexible, ribbon like leaves
D. Waxy coating over the leaves

Answers

I feel like the answer would be C or D

Answer: C, 100% sure this is the answer!

Explanation:

why did only wealthy do tourism before advances in transport​

Answers

Answer:

Because it was they who had access to water transport, but for ordinary people it was very expensive.

Answer:

Limited access to transportation: Traveling long distances was difficult and time-consuming, and the only available modes of transport, such as horses or carriages, were expensive and not accessible to everyone. This made travel a luxury that only the wealthy could afford.

If you climb 1600 m, how many degrees Celsius will the temperature drop?
-HELP!! I have two days​

Answers

It drops by 20 degrees

Which statements about eclipses are true? Check all that apply.
Earth's shadow creates a solar eclipse.
A total lunar eclipse has a reddish color.
The moon moves between Earth and the Sun during a solar eclipse.
A lunar eclipse occurs during a full moon.
During a partial solar eclipse, half of the moon is covered by Earth.
A solar eclipse occurs during a full moon.

Answers

Answer:

The answers are: A total lunar eclipse has a reddish color, The moon moves between Earth and the Sun during solar eclipse, and A lunar eclipse occurs during a full moon. The rest are false.

A total lunar eclipse has a reddish color and the moon moves between Earth and the Sun during a solar eclipse is true about eclipse.

What is an eclipse

An eclipse occurs or happens when the moon is obstructed or block.

It occurs when the sun and moon which are astronomical material meets causing an overlap that blocks the clear display of the one of the objects.

Therefore, A total lunar eclipse has a reddish color and the moon moves between Earth and the Sun during a solar eclipse is true about eclipse.

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Granite and gabbro ________.

a. have a similar texture

b. are not similar in either texture or mineral composition

c. are similar in both texture and mineral composition

d. have a similar mineral composition

Answers

answer : C
reason : give tia ymca eric just

How much snow is expected in st louis this weekend.

Answers

Answer:

None is expected, but it is said that it will probably rain on friday, and be very cold the rest of the weekend. Have an amazing day :D

Explanation:

Large scale volcanic activity took place in what is now _______ at the end of the cretaceous.

Answers

The large-scale volcanic activity took place in what is now known as the Deccan Traps at the end of the Cretaceous period.

The Deccan Traps is a large volcanic province located in western India. It covers an area of about 500,000 square kilometers and consists of multiple layers of basaltic lava flows. These lava flows erupted over a period of several million years, primarily during the late Cretaceous period.

The volcanic activity in the Deccan Traps was one of the largest volcanic events in Earth's history. It is believed to have played a significant role in the mass extinction event that marked the end of the Cretaceous period, which led to the extinction of dinosaurs and many other species.

The eruption of the Deccan Traps resulted in the release of massive amounts of volcanic gases, such as carbon dioxide and sulfur dioxide, into the atmosphere. These gases contributed to global climate change and environmental disturbances, which likely had a significant impact on the Earth's ecosystems at that time.

Overall, the large-scale volcanic activity in the Deccan Traps during the end of the Cretaceous period is an important geological event that has shaped the landscape of western India and had a profound impact on the Earth's biodiversity.

Hence, large-scale volcanic activity took place in what is now known as the Deccan Traps at the end of the Cretaceous period.

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Russia is the world's largest producer of_____.

A.lumber
B.coal
C.natural gas
D. nuclear energy​

Answers

Answer:

C. Natural Gas

Explanation:

Looked it up.

Answer:

c. natural gas

Explanation:

5. what happens in the process of faulting?
two oceanic plates collide
plates slip or grind past each other
an oceanic and a continental plate collide
two continental plates collide

Answers

Faulting is a geological process that occurs when tectonic plates move and interact with one another. When two oceanic plates collide, one of the plates is subducted beneath the other, forming a deep-sea trench. As the subducting plate moves deeper into the mantle, it can melt and trigger volcanic activity.

When plates slip or grind past each other, it results in a transform boundary, also known as a strike-slip fault. This type of faulting can cause earthquakes as the plates grind against each other, releasing energy that has built up over time. When an oceanic and a continental plate collide, the denser oceanic plate is subducted beneath the continental plate, which can result in the formation of mountains, volcanic arcs, and earthquakes. When two continental plates collide, neither is dense enough to be subducted. Instead, the plates buckle and deform, leading to the formation of mountain ranges such as the Himalayas. These collisions can also cause earthquakes and trigger volcanic activity.

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How did the mining industry affect future industries in the Indian Territory? A. It encouraged miners and settlers to leave the territory. B. It made it more difficult for railroads to continue to grow. C. It provided a labor force for future oil and natural gas industries. D. It decreased opportunities for new small businesses. Please select the best answer from the choices provided A B C D

Answers

Answer:

(C) It provided a labor force for future oil and natural gas industries.

Explanation:

A:

It can't be A, because if miners and settlers had already made their industry in the Indian Territory, it wouldn't encourage miners to leave the area. Instead, the miners and settlers took control of the territory, and forced the Indians away.

B:

It can't be B, because the mining industry wasn't dependent on railroads; neither were railroads dependent on the mining industry.

D:

It can't be D, because the mining industry actually increased opportunities for small businesses!

Identify the following as erosion, chemical weathering or mechanical weathering


A. Rock growing from cliff
B. rainfall cuts a groove in dirt path
C. snow covers granite mountain
D. gulley forms in field
E. Old Man in Mountain falls on to rocks below

Answers

Answer:

A

Explanation: Rock growing from cliff

What was the result of Jordan, Egypt, Syria, Iraq, and Lebanon declaring war and invading Israel?
A.
Israel lost a great deal of the land that had been allocated to it.
B.
Israel pushed back Arab armies and gained even more land.
C.

Israel took over the Sinai Peninsula.
D.
Israel became part of an Arab state.

Answers

The answer I believe is B.

Answer:

The answer Is B Period

Explanation:

Discuss in no less than 1500 words how environmental science has
influenced Guyana's past development and how it will influence
Guyana's development in the future.

Answers

Environmental science is a field of study that focuses on the interactions between living organisms and their surroundings, including the air, water, and soil. It is an interdisciplinary field that combines principles from biology, chemistry, physics, geology, and other disciplines to understand the natural world and the impact of human activities on it.

Guyana is a small country located on the northern coast of South America. It has a diverse range of ecosystems, including rainforests, wetlands, and savannas. Environmental science has played a significant role in Guyana's past development, and it will continue to do so in the future. The influence of environmental science on Guyana's past development can be seen in several ways.

For example, the country's rich biodiversity and natural resources have been a significant driver of its economy. The timber industry has been a crucial source of income for Guyana for many years. Still, it has also been the subject of controversy due to the potential environmental damage caused by deforestation. Environmental science has also influenced Guyana's past development by providing a framework for sustainable resource management.

The country has established several protected areas, including the Ikram Rainforest Reserve, to conserve its natural resources and promote sustainable development. These protected areas provide a source of income for local communities through ecotourism while protecting the environment from degradation. In the future, environmental science will continue to play a crucial role in Guyana's development.

One of the most significant areas of focus will be climate change. Guyana is particularly vulnerable to the effects of climate change due to its low-lying coastal region. Rising sea levels, more frequent flooding, and stronger storms could have significant economic and social impacts on the country. Environmental science can help to develop strategies to mitigate these risks by promoting sustainable development and reducing greenhouse gas emissions.

Environmental science will also play a role in promoting economic development in Guyana. The country has recently discovered significant oil reserves, which could transform its economy. However, this also presents significant environmental risks. Environmental science can help to ensure that oil extraction is carried out in a sustainable and environmentally responsible way, minimizing the impact on the country's ecosystems and biodiversity.

In conclusion, environmental science has played a critical role in Guyana's past development, and it will continue to do so in the future. By providing a framework for sustainable resource management and promoting sustainable development, environmental science can help to protect the country's natural resources while promoting economic growth and development. It can also help to mitigate the risks of climate change and ensure that oil extraction is carried out in an environmentally responsible way.

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Match the item in column 1 with its description or consequences in column 2.
Trade
Ocean highways
Rural areas and
cities
Landmasses
?
?
?
?
Links culture regardless of
distance
Opened up the world to
trade
Often very different in
culture
Barriers to worldwide
trade

Answers

The correct match for the following description is

Trade: Links culture regardless of distance

Ocean highways: Opened up the world to trade

Rural areas and cities: Often very different in culture

Landmasses: Barriers to worldwide trade

What is Trade?

Trade, which is typically done in exchange for money, is the transfer of goods and services from one person or institution to another. Economists refer to a system or network that allows trading as a market. A system or network that permits trading is referred to as a market by economists. The direct exchange of products and services for other goods and services, or trading without the use of money, was a first form of trade known as barter.

What is Ocean Highway?

Early in the 20th century, the term "Ocean Highway" was coined to describe a network of roads and waterways for motor vehicles that would typically travel as closely as possible to the Atlantic Ocean along the East Coast of the United States, from Jacksonville, Florida, to North Brunswick, New Jersey.

What are rural areas and cities?

The rural area or countryside is the region found outside of towns and cities. Small communities and low population densities are features of typical rural settings. Rural regions are frequently those that are agricultural or have a forest cover.

What are Landmasses?

A large area of land is referred to as a landmass or a land mass. The phrase is frequently used to describe areas of land enclosed by water, such as a continent or sizable island. A landmass is an identified portion of the continental crust that rises above sea level in the science of geology.

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Based on the graph, describe two other effects you would expect

Based on the graph, describe two other effects you would expect

Answers

It’s 100% correct yeah yeah
Based on the graph, describe two other effects you would expect

Which geographical theme is best addressed in these sentences?
Uganda designated the Kibale Forest a national park in
1993. The park contains important habitat for
chimpanzees as well as twelve other species of primates.
A. Movement
B. Location
C. Region
D. Human-environment interaction

Answers

Answer:
D. Human-environment interaction
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