GK
THE UNIVERSE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
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?
|
|
The sun appear yellow, which is more visible than other colors.
|
|
|
The sun is much closer to Earth than other stars are
|
|
|
Other stars are made up of different gases than the sun is.
|
|
|
As light from other stars travels through space, it gets reflected.
|
Explanation:
Detailed explanation-1: -After a high-mass star explodes, a large amount of matter may collapse inward, forming a black hole. The gravity of a black hole is so strong that matter is pulled inward, packing more into a smaller and smaller space. Eventually, the gravity becomes so strong that nothing can escape, not even light.
Detailed explanation-2: -white dwarf stars (luminosity class D) are the final evolutionary stage of low to intermediate mass stars, and are found in the bottom left of the HR diagram.
Detailed explanation-3: -From largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.
There is 1 question to complete.