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WHO study about the Sun?
Scientists study the Sun number in a number of ways including ground based telescopes and satellites to obtain as much information as possible. The atmosphere of the Sun varies in temperature so a whole range of wavelengths are needed to make complete observations.
What does NASA use to study the Sun?
solar observatories
NASA watches the sun nearly 24-seven with a fleet of solar observatories, studying everything from the sun’s tenuous outer atmosphere, to its roiling surface, and even peering inside the sun using magnetic and helioseismic instruments.
Why do we study the solar system?
Understanding the planets and small bodies that inhabit our solar system help scientists answer questions about its formation, how it reached its current diverse state, how life evolved on Earth and possibly elsewhere in the solar system, and what characteristics of the solar system lead to the origins of life.
Why is the Sun important to astronomers?
The Sun also serves an important role in helping us to understand the rest of the astronomical universe. It is the only star close enough to us to reveal details about its surface. In this way solar astronomy teaches us much about stars, planetary systems, galaxies, and the universe itself.
Do asteroids hit the sun?
No asteroids have ever been observed to hit the Sun, but that doesn’t mean that they don’t! Asteroids are normally content to stay in the asteroid belt between Mars and Jupiter, but occasionally something nudges them out of their original orbits, and they come careening into the inner solar system.
How do astronomers study the sun?
There are two ways that solar telescopes can gather information from the light emitted by the sun. There are spectrometers that can simultaneously observe different wavelengths of light, generating graphs that give a composite picture of the temperature ranges in the material around the sun.
Can humans explore the sun?
But if you take a look around, there’s nothing here for you to actually land on, because the sun doesn’t have any solid surface to speak of. It’s just a giant ball of hydrogen and helium gas. So instead of landing on the photosphere, you’re going to sink into it.
How did the sun get so hot?
When our sun burst into creation, it was a mass of swirling gases that included a core or center that is compressing atoms together in a process called ‘nuclear fusion’. This intense pressure creates heat at temperatures that are around 15 million degrees C. The sun has an ‘atmosphere’ that retains the heat.
What are scientists who study space called?
A scientist who studies the objects in the sky, including planets, galaxies, black holes, and stars, is called an astronomer.
Who is the sister of the earth?
Venus
“On #NationalSiblingsDay, we celebrate #Venus, Earth’s sister planet! Like human sisters, Earth & Venus share a lot — similar mass, size, composition. Also like human sisters, their natures can clash wildly — Venus’s atmosphere would burn and crush us, but Earth is our perfect home,” they shared.
Why is it important to study the Sun?
The sun is a normal star. It is much closer to us than any other star, and by studying the sun, we can therefore learn more about other stars. The better we understand other stars, the more we know about the Milky Way. From there we know more about other galaxies and in the end we learn more about the universe.
What types of stars do Astronomers study?
There are astronomers who specialize in studying stars. Usually they concentrate on just hot stars, cool stars, or certain types of stars like binaries, variable stars, etc. The same is true for nebulae, galaxies, and so on. How long is a light-year? A light-year is the distance that a beam of light can travel in one year.
Who first discovered that the Sun is a star?
Nobody knows who first saw it or placed a label on what it is. But there are iconic people who have first discovered or suggested that the Sun is a star and that it is the center of the universe. Anaxagoras in 450 BC first suggested that the Sun is a stone of fire.
How old is the sun according to the scientific method?
Formation. The Sun formed about 4.6 billion years ago from the collapse of part of a giant molecular cloud that consisted mostly of hydrogen and helium and that probably gave birth to many other stars. This age is estimated using computer models of stellar evolution and through nucleocosmochronology.