Previously answered questions by Sabrina Stierwalt

(in order of times viewed)

1. Can we feel the Earth spin?
2. How do rockets work?
3. What do astronauts do all day in the International Space Station?
4. What can I use for fuel in my homemade rocket?
5. Is the speed of light constant?
6. Can moons have moons?
7. Is the Moon seen as a crescent (and not a "boat") all over the world? Is the same phase of the moon visible from the Northern and Southern hemispheres?
8. What's the difference between dark matter and dark energy?
9. What if the Earth rotated twice as fast?
10. How do we determine the age of the universe?
11. What happens when an antimatter black hole collides with a matter blackhole?
12. How are planets detected around other stars?
13. Why is Uranus tipped on its side?
14. What is a wormhole?
15. How are sunspots formed?
16. How do photons from distant objects maintain enough energy to reach us?
17. What is Hot Dark Matter theory?
18. What do meteorites tell us about life on other planets?
19. Could neutrinos be dark matter?
20. Can a human give birth in space?
21. Does lunar gardening really work?
22. Why is the sky blue and not blue & purple?
23. Can we harvest H & O from space to make water?

Main Page | About Us | For Teachers | Astronomy Links | Ask a Question | View a Random Question

URL: http://curious.astro.cornell.edu/authorlist.php?number=21
This page has been accessed 507433 times since September 25, 2002.
Last modified: November 19, 2007 11:28:35 AM

Comments? curious@astro.cornell.edu
Legal questions? See our copyright, disclaimer and privacy policy.
Ask an Astronomer is hosted by the Astronomy Department at Cornell University and is produced with PHP and MySQL.

Warning: Your browser is misbehaving! This page might look ugly. (Details)