Ask an Astronomer Team

Lynn Carter

Lynn uses radar astronomy to study the planets, especially Venus. She got her PhD in Astronomy from Cornell in Summer 2004 and is now working at the Smithsonian in Washington D.C. on the Mars Express radar.

Display # 
Title Created Date Hits
How did Mars get so dusty? (Beginner) Feb 04 40080
Are Kuiper Belt Objects asteroids? Are large Kuiper Belt Objects planets? (Intermediate) Jan 04 74125
Which part of the sky did the famous 'wow' signal originate from? (Intermediate) Nov 03 44945
Have astronomers discovered Earth's second moon? (Intermediate) Sep 03 113120
How far is each planet from Earth? (Intermediate) Aug 03 802291
If clocks run slow in a gravitational field, how can we know the true age of the Solar System and Universe? (Intermediate) Jun 03 44036
Since Earth is spinning, why do we land in the same place when we jump or fall? (Intermediate) Jun 03 168447
Do asteroids ever do anything good in the Solar System? (Beginner) Jun 03 44150
If Mars is only about 35-60 million miles away at close approach, why does it take 6-8 months to get there? (Intermediate) May 03 119528
How can I nominate myself for a Nobel Prize in Physics? (Beginner) Apr 03 35576
Can the Space Shuttle abort and return to Earth before reaching orbit? (Intermediate) Apr 03 35911
How do we detect incoming meteorites? (Intermediate) Mar 03 38061
!How do I make a scale model of the Solar System? (Intermediate) Mar 03 65968
What is the biggest crater recorded on Earth? (Beginner) Feb 03 61516
What's the biggest meteorite? (Beginner) Feb 03 57206
How does the parachute in a model rocket work? (Advanced) Feb 03 90569
How many meteorites hit Earth each year? (Intermediate) Feb 03 197123
Did I find a rock that came from the Moon? (Beginner) Feb 03 41321
Where did the name 'Earth' come from? (Beginner) Jan 03 245241
Why doesn't the ammonia and methane in Jupiter's atmosphere sink into the core? (Advanced) Jan 03 34363
Why is the Moon so bright? (Beginner) Jan 03 124026
What are some astronomy science fair projects? (Beginner) Dec 02 79251
How can water be chemically trapped in rocks? (Intermediate) Dec 02 47683
Who named the planets and who decides what to name them? (Beginner) Nov 02 264075
Can I buy a star? (Beginner) Nov 02 150413
Will the sun go supernova in six years and destroy Earth (as seen on Yahoo)? (Intermediate) Oct 02 149481
What are the different kinds of astronomers? (Intermediate) Sep 02 320662
Are meteorites hot or cold when they hit Earth? (Intermediate) Sep 02 96565
What's the object I saw that moved across the sky and then got very bright? (Beginner) Sep 02 68917
Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner) Jun 02 224638
How do I become both an astronaut and an astronomer? (Intermediate) May 02 70261
Why does the SETI project search for radio signals? (Intermediate) Apr 02 51433
What color is Venus? (Beginner) Jan 02 330838
How do I build a model rocket? (Intermediate) Oct 01 323518
How are asteroid compositions and classifications determined? (Intermediate) Jul 01 50969
How can I tell if the rock I found is a meteorite? (Beginner) Mar 01 49059
Why aren't there any green stars? (Intermediate) Sep 00 101852
What would happen if an impact caused Earth to stop rotating? (Beginner) Aug 00 135561
How do I polar align my telescope? (Beginner) Jul 00 45219

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