science
Grade6
Easy
Question
We cannot see what is near the center of our galaxy with regular optical telescopes because_______________.
- At night, we do not face the right direction to point our telescopes there
- There is too much gas and dust for visible light to pass through
- The center of the galaxy is too far away; hence, light has no time to reach us yet
- There is a black hole that does not allow any light to escape
Hint:
We cant see the center of the galaxy because it is so far and light cannot travel to that distance.
The correct answer is: The center of the galaxy is too far away; hence, light has no time to reach us yet
- The middle of the galaxy is filled with gas and dust particles.
- It is about 30,000 light-years away.
- As light can not travel that distance, we can't see the center of the galaxy.
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