Ask an Astronomer Team
Kristine Spekkens
Kristine studies the dynamics of galaxies and what they can teach us about dark matter in the universe. She got her Ph.D from Cornell in August 2005, was a Jansky post-doctoral fellow at Rutgers University from 2005-2008, and is now a faculty member at the Royal Military College of Canada and at Queen's University.
Kristine's websites:
http://www.astro.queensu.ca/people/Kristine_Spekkens/main.php
http://www.rmc.ca/aca/phy/per/spekkens-k-eng.php
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- But seriously: what was there before the Big Bang? (Beginner)
- How much does the Earth "wobble" on its orbit due to the Moon's gravity? (Intermediate)
- What is the difference between a "star" and a "sun"? (Beginner)
- How do you measure the distance between Earth and the Sun? (Intermediate)
- How long could life on Earth survive if the Sun stopped shining? (Beginner)
- Why do the planets orbit the sun? (Beginner)
- Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
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- At what speed does the Earth move around the Sun? (Beginner)
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