Table of Contents
Which of the following describes our sun?
Our Sun is an average sized star. It is made mostly of hydrogen and helium gases. The sun is important to life on Earth because it is our closest star and provides us with heat and light.
What size star is our sun quizlet?
8.8B The Sun: Recognize that the Sun is a medium-sized star located in a spiral arm of the Milky Way galaxy and that the Sun is many thousands of times closer to Earth than any other star. The star at the center of our solar system. A medium size star.
How do we know the size of the sun?
The sunis nearly a perfect sphere. Its equatorial diameter and its polar diameter differ by only 6.2 miles (10 km). The mean radius of the sun is 432,450 miles (696,000 kilometers), which makes its diameter about 864,938 miles (1.392 million km). You could line up 109 Earths across the face of the sun.
Which term best describes the Sun?
Astronomy USA
Question | Answer |
---|---|
Our Sun is one of many stars in the Milky Way Galaxy. Which term BEST describes our Sun? | medium sized star |
What is another name for the surface of the sun? | photosphere |
What part of the sun can be compared with the atmosphere of Earth? | corona |
What is the shape of sun?
In a strange twist of solar physics, the shape of our sun is rounder than previously thought, yet at the same time, it is also flatter — or squashed — more often, making the star wider at the middle than at its poles, scientists say.
Are stars the same size as the sun?
It turns out that our Sun is an average sized star. There are bigger stars, and there are smaller stars. We have found stars that are 100 times bigger in diameter than our sun. We have also seen stars that are just one tenth the size of our sun.
How does the size of the sun compare with the size of the largest stars quizlet?
The Sun is an average-sized star. The biggest stars are more than 100 times as massive as the Sun, and the smallest stars are less than 1/10th as massive as the Sun.
Why does the sun appear larger than the stars?
Many of the stars seen in the night sky are much larger than our Sun, but appear much smaller. The Sun appears larger than larger stars because the Sun is – A a yellow star. B much closer. C much hotter. D much cooler. Our Sun is what type of celestial object?
How big is Proxima Centauri compared to the Sun?
Proxima Centauri is a star that is 4.2 light years from Earth. Based solely on this information, which of the following conclusions can be drawn? A The diameter of this star is more than four times larger than the Sun. B Light we see from the star took more than four years to reach Earth.
How are galaxies classified according to their shape?
Galaxies are classified by their shapes into all of the following types EXCEPT – A spiral galaxy. B irregular galaxy. C oblong galaxy. D elliptical galaxy. The stars and all the other matter in a galaxy are held together by which of the following?