Previously answered questions by Amelie Saintonge
(in order of times viewed)
- At what speed does the earth move around the sun?
- What are shooting stars?
- What happens when galaxies collide?
- What is the size of the Solar System?
- Why do different stars appear with seasons?
- What would happen if Earth had more than one moon?
- How many stars are born and die each day?
- What are some of the effects of solar flares on Earth?
- How fast is the Universe expanding?
- Are there stars outside of galaxies?
- Why does the Earth have only one moon?
- What makes up most of the Universe?
- How do we weigh objects in space?
- How do we measure the size of the Moon and of the Sun?
- How can I measure the distance of a star?
- Is time travel possible?
- Why do humans want to go in space?
- How can I calculate distances between stars?
- Can we see dead stars with the naked eye?
- What kind of eyepieces do I need to look at planets?
- Have there been other Big Bangs before?
- Is the Milky Way a collision of two galaxies?
- Is there sound coming from the Sun?
- How do solar flares affect airline pilots?
- Can supernovae hinder the formation of life in galaxies?
- Can I build an instrument to measure the size of the Sun and of the Moon?
- What kind of instruments are used to detect extrasolar planets?
- Are the properties of extrasolar planets known?
- Why are telescopes located in remote places?
- What is the best time of the year to see eclipses?
- What was that eclipse I saw in the sky?
- Are there any 'lonely galaxies'?
- What was different on Mars in the past to allow liquid water to be present?
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)