Asteroids
This page is no longer in use. You should be redirected to our current "Asteroids" page in a few moments, or you can click here to go there now.
Last modified November 28, 2007 by Randy Russell.
Windows to the Universe Community | |
News | Opportunities |
You might also be interested in:
Traveling Nitrogen Classroom Activity Kit
Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more
Asteroid Toutatis Passes Near Earth
A large asteroid passed near Earth on September 29, 2004. How close was it? Not close enough to worry about! Asteroid Toutatis passed within about 1.5 million kilometers (961 thousand miles) of Earth,...more
What is a planet?
Do you know what a planet is? If so, you are doing better than professional astronomers! Right now astronomers aren't quite sure how to define a planet. Maybe you've heard that some astronomers think Pluto...more
Pluto demoted - no longer a Planet!
Pluto has been officially demoted from its status as a planet. The International Astronomical Union (IAU), at a meeting in August 2006, voted on their first "official" definition of a planet....more
Meteors
Meteors are streaks of light, usually lasting just a few seconds, which people occasionally see in the night sky. They are sometimes called "shooting stars" or "falling stars", though they are not stars...more
Geminid Meteor Shower
The Geminid meteor shower happens every year in December. Meteor showers are times when you can see many meteors or "shooting stars" in one night. There are several meteor showers each year. Most meteor...more
Asteroid Toutatis
Toutatis is a very strange asteroid. It has a strange shape, and it spins in a very unusual way. Sometimes Toutatis comes close to Earth. This asteroid is shaped sort of like a potato. Its size is 1.92...more
Asteroid Lutetia
Lutetia is a medium-sized asteroid. It orbits the Sun in the main asteroid belt between the planets Mars and Jupiter. Its official name is "21 Lutetia" because it was the 21st asteroid discovered. Lutetia...moreShop Windows to the Universe
Fluorite is available in our online store, along with other minerals and fossils, books, activities, jewelry, and household items.
Science Blogs
Perspectives on Earth and Space Science Education
Real Climate: climate science from climate scientists
Star Stuff: science news from an astronomer's perspective
Generous sponsorship of Windows to the Universe is provided by the Hewlett Foundation, the American Geological Institute, the American Geophysical Union, the National Science Foundation, NASA, NCAR, and the CISM and CMMAP projects.
The source of this material is Windows to the Universe, at http://windows2universe.org/ from the National Earth Science Teachers Association (NESTA). The Website was developed in part with the support of UCAR and NCAR, where it resided from 2000 - 2010. © 2011 National Earth Science Teachers Association. Windows to the Universe® is a registered trademark of NESTA. All Rights Reserved. See our copyright and licenses page for information about how you can use our materials.Site policies and disclaimer.
