Does the sun move around the planet, or does
the planet move around the sun?
That's a hard
question. Gravity and speed keep the sun and the
planets moving around each other.
I like to
think about rockets and satellites. When we send
up a rocket, one of 3 things can happen:
can just come back to earth or:
2. It can
shoot out into space til it hits something,
3. If it goes just right, it can go into an
orbit around the earth:
Going just right -
at the right speed and the right direction - keeps
the moon and the planets in their orbits. Do you
know what an orbit is?
Here's a website that
talks about your question and Superman:
curiosity You can find answers to your science
questions at wikipedia.com
You can also learn
about science from the National Science Foundation
if go to the website:NSF.gov
That's where I
used to work.Best wishes,
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