Ask an Astronomer Team

Britt Scharringhausen

Britt studies the rings of Saturn. She got her PhD from Cornell in 2006 and is now a Professor at Beloit College in Wisconson.

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Title Created Date Hits
The Moon slows the Earth's rotation, but how fast was it spinning billions of years ago? (Intermediate) May 06 105758
Where do planetary rings come from, and what are they made of? (Beginner) Aug 05 78217
Is there oxygen in the atmospheres of other planets? (Intermediate) Aug 05 113555
Does the Moon rotate? (Beginner) Aug 04 80890
How can we tell what the interiors of planets are like? (Advanced) Jun 04 68699
How long has there been water on Earth? (Intermediate) Apr 04 87540
How fast does the Earth go at perihelion and aphelion? (Intermediate) Mar 04 114251
How do unmanned space probes avoid running into things? (Beginner) Nov 03 66023
Why did the Pioneer and Voyager take only 2 years to reach Jupiter, while Galileo and Cassini took more than 5 years? (Intermediate) Nov 03 68645
Why doesn't the hydrogen on Jupiter explode? (Intermediate) Sep 03 53730
What do astronauts eat in space? Can they grow food? (Beginner) Feb 03 252079
Why do spacecraft need heat shields coming back to Earth but not leaving? (Intermediate) Jan 03 60590
Why are Saturn's rings flat? (Intermediate) Dec 02 84099
How big a change in the Earth's orbit would be required to destroy all life? (Intermediate) Nov 02 89372
Will the Leonid meteor shower go away? (Beginner) Nov 02 51807
A line drawn perpendicular to a line through the tips of the horns of the crescent moon doesn't point to the Sun! Why not? (Advanced) Nov 02 58333
What are the names of the earth, moon, sun, and solar system? (Beginner) Oct 02 489204
What's that dark spot on the Sun? (Beginner) Aug 02 56902
How can I calculate the position or path of the Sun for a given time and location? (Intermediate) Aug 02 113908
Does the Moon rotate? Are there other moons that always keep one face toward their planet? (Intermediate) Jul 02 459812
What would happen if an asteroid 10 kilometers across hit the Earth? (Beginner) Jul 02 237978
Can astronauts produce water in space? (Intermediate) Jun 02 63607
Did life originate on Earth, or did it come from somewhere else? (Intermediate) May 02 75346
Is the Moon moving away from the Earth? When was this discovered? (Intermediate) May 02 893924
Why are the compositions of comets and asteroids different? (Intermediate) May 02 59582
Who discovered each planet? (Intermediate) May 02 156202
How do we feel heat? (Intermediate) May 02 93242
How was the starting point for the Julian Date system chosen? (Advanced) May 02 63708
Why is it called astronomy when all the other sciences end in -ology? (Beginner) May 02 47154
How does libration allow us to see more than 50% of the Moon? (Advanced) Apr 02 47586
Why are stars and planets round? (Beginner) Feb 02 165237
Did astronauts really go to the Moon, or is it a hoax? (Beginner) Feb 02 120984
How much time do astronomers spend looking through telescopes? (Beginner) Jan 02 60548
How much money do astronomers make? (Intermediate) Jan 02 171255
What's the best college for astronomy? (Intermediate) Jan 02 98883
What kind of schooling is necessary to become an astronomer? (Intermediate) Jan 02 156841
What skills do astronomers need? (Beginner) Jan 02 108680
What's the best thing about being an astronomer? (Beginner) Jan 02 59494
What do I need to do to become an astronomer? (Beginner) Jan 02 151949
What kinds of jobs do astronomers do? (Intermediate) Jan 02 90487
What's the difference between astronomy and astrology? (Beginner) Jan 02 238691
What's the difference between astronomy and astrophysics? (Intermediate) Jan 02 119807

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