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
Random Question
Most Recent
- Do galaxies that are receding from us faster than the speed of light disappear from our observations? (Intermediate)
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- What is a graviton? (Intermediate)
- Why are there high tides during a Full Moon? (Intermediate)
- Why is Neptune still considered a planet when Pluto crosses its orbit? (Intermediate)
- Could there be objects orbiting interior to Mercury? (Intermediate)
- Have the inner planets cleared their neighborhood? (Intermediate)
- What caused the Big Bang and created the Universe? (Beginner)
- If spacetime is curved, is it possible for us to look into space and see light from Earth from long ago? (Intermediate)
Editor's Pick
- What should I know about the upcoming Solar Eclipse? 2017
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- Why is looking out into space the same as looking back in time? (Beginner)
Most Popular
- What color is each planet? (Intermediate)
- Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
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- How are light and heavy elements formed? (Advanced)
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
- What is the difference between a "star" and a "sun"? (Beginner)
- How far is each planet from Earth? (Intermediate)
- Why do airplanes take longer to fly West than East? (Intermediate)
- At what speed does the Earth move around the Sun? (Beginner)
- Why do stars twinkle? (Beginner)
- Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
- What color is each planet? (Intermediate)
- Can artificial gravity be created in space? (Intermediate)
- What is the difference between a "star" and a "sun"? (Beginner)
- What direction do planets rotate? (Beginner)
- How far is each planet from Earth? (Intermediate)
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
- Why do airplanes take longer to fly West than East? (Intermediate)
- How are light and heavy elements formed? (Advanced)
- At what speed does the Earth move around the Sun? (Beginner)
- What color is each planet? (Intermediate)
- How are light and heavy elements formed? (Advanced)
- Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
- How far is each planet from Earth? (Intermediate)
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
- Can artificial gravity be created in space? (Intermediate)
- What is the difference between a "star" and a "sun"? (Beginner)
- Why do airplanes take longer to fly West than East? (Intermediate)
- At what speed does the Earth move around the Sun? (Beginner)
- How do you measure the distance between Earth and the Sun? (Intermediate)
- What's going to happen on December 21st 2012? (Intermediate)
- What color is each planet? (Intermediate)
- At what speed does the Earth move around the Sun? (Beginner)
- How far is each planet from Earth? (Intermediate)
- Is the Moon moving away from the Earth? When was this discovered? (Intermediate)
- How do you measure the distance between Earth and the Sun? (Intermediate)
- Why do the planets orbit the sun? (Beginner)
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
- How long does it take for the Sun's light to reach us? (Beginner)
- When was the last time all of the planets were aligned? (Beginner)
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