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;
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Q 1/3
Score 0
Why does Earth get more energy from the sun than from all the other stars in the universe combined?
60
The sun is much more dense than the other stars.
The sun is much closer than the other stars
The sun is much hotter than the other stars.
The sun is much larger than the other stars.
Q 2/3
Score 0
A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope. Why do other stars look much dimmer than the sun?
60
Other stars are made up of different gases than the sun is.
The sun appears yellow, which is more visible than other colors.
As light from other stars travels through space, it gets reflected.
The sun is much closer to Earth than other stars are.
3 questions
Q.
Why does Earth get more energy from the sun than from all the other stars in the universe combined?
1
60 sec
8.8b
Q.
A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope. Why do other stars look much dimmer than the sun?
2
60 sec
8.8b
Q.
With the use of the Hubble Space Telescope, scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the sun appear to be brighter than this runaway star when viewed from Earth?
