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. Can moons have moons?
5. Is the speed of light constant?
6. What's the difference between dark matter and dark energy?
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. Why is the sky blue and not blue & purple?
9. What is a wormhole?
10. What can I use for fuel in my homemade rocket?
11. What if the Earth rotated twice as fast?
12. How do we determine the age of the universe?
13. Why is Uranus tipped on its side?
14. How are planets detected around other stars?
15. What happens when an antimatter black hole collides with a matter blackhole?
16. How are sunspots formed?
17. Can a human give birth in space?
18. How do photons from distant objects maintain enough energy to reach us?
19. Could neutrinos be dark matter?
20. What is Hot Dark Matter theory?
21. Does lunar gardening really work?
22. What do meteorites tell us about life on other planets?
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 | Our Podcast

URL: http://curious.astro.cornell.edu/authorlist.php?number=21
This page has been accessed 9609 times since January 14, 2013.
Last modified: November 19, 2007 11:28:35 AM

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)