Space & Time

What causes a solar eclipse

What causes a solar eclipse?
How do scientists know how old the universe is

How do scientists know how old the universe is?
Why does time feel faster when we're having fun

Why does time feel faster when we’re having fun?
Can we live on another planet someday

Can we live on another planet someday?
What is a galaxy made of

What is a galaxy made of?
Why is the sun so bright

Why is the sun so bright?
why cant we see time

Why can’t we see time?
what is a black hole

What is a black hole?
why does the moon change shape

Why does the moon change shape?
why do stars twinkle

Why do stars twinkle?