Previously answered questions by Britt Scharringhausen
(in order of times viewed)
- Is the Moon moving away from the Earth? When was this discovered?
- Does the Moon rotate? Are there other moons that always keep one face toward their planet?
- What are the names of the earth, moon, sun, and solar system?
- What do astronauts eat in space? Can they grow food?
- How much money do astronomers make?
- Why are stars and planets round?
- What would happen if an asteroid 10 kilometers across hit the Earth?
- What's the difference between astronomy and astrology?
- What would happen if the gravity on Earth was suddenly turned off?
- Did astronauts really go to the Moon, or is it a hoax?
- What kind of schooling is necessary to become an astronomer?
- What kinds of jobs do astronomers do?
- What's the best college for astronomy?
- Does the Moon rotate?
- How can I calculate the position or path of the Sun for a given time and location?
- How close was the Moon to the Earth when it formed?
- Who discovered each planet?
- Are there any asteroids on a collision course with Earth?
- How long has there been water on Earth?
- What do I need to do to become an astronomer?
- What's the difference between astronomy and astrophysics?
- What skills do astronomers need?
- The Moon slows the Earth's rotation, but how fast was it spinning billions of years ago?
- Did life originate on Earth, or did it come from somewhere else?
- How do we feel heat?
- Where do planetary rings come from, and what are they made of?
- How fast does the Earth go at perihelion and aphelion?
- Why are Saturn's rings flat?
- How big a change in the Earth's orbit would be required to destroy all life?
- What's that dark spot on the Sun?
- How can I tell if the rock I found is a meteorite?
- How can we tell what the interiors of planets are like?
- Can astronauts produce water in space?
- Aren't jobs in astronomy scarce?
- How was the starting point for the Julian Date system chosen?
- Why are the compositions of comets and asteroids different?
- How much time do astronomers spend looking through telescopes?
- What's the best thing about being an astronomer?
- Is there oxygen in the atmospheres of other planets?
- Why did the Pioneer and Voyager take only 2 years to reach Jupiter, while Galileo and Cassini took more than 5 years?
- Will we discover an 11th planet? What would it be called?
- 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?
- Why doesn't the hydrogen on Jupiter explode?
- How do unmanned space probes avoid running into things?
- Why do spacecraft need heat shields coming back to Earth but not leaving?
- Will the Leonid meteor shower go away?
- Why is it called astronomy when all the other sciences end in -ology?
- How does libration allow us to see more than 50% of the Moon?
This page has been accessed times since .
Last modified: November 19, 2007 11:28:35 AM
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)