Celestial Bodies By J.T. http://www.enchantedlearning.com
Comets • A comet is like a big dirty snowball made out of water,dust and many different gases. • A comet can travel up to 100,000 m.p.h. • You can see an asteroid without a telescope every three years.http://www.enchantedlearning.com/Home.html
Parts of a Comet • The three parts of a comet are the nucleus, the coma, and the ion tail. • The tail of the comet always points away from the sun this is because of the strong solar winds.http://www.enchantedlearning.com/subjects/astronomy/comets/
Halley’s Comet • This comet is called Halley’s comet because it was discovered by Sir Edmund Halley. • You can see Halley’s comet every 76 years. • The tail of Halley’s comet is 93 million miles long.http://www.solar views.com/cap/comet/halley.htm
Asteroids • Asteroids are small solid objects that orbit the Sun. • They are sometimes called minor planets. • The Asteroid Belt located between Mars and Jupiter is made up of 5,000 asteroids.http://www.enchantedlearning.com/subjects/astronomy/asteroids/
Temperature • The average daytime temperature on an asteroid is 212 degrees Fahrenheit. • The average nighttime temperature on an asteroid is –238 degrees Fahrenheit.http://www.the-solar-system.net/asteroids/asteroids-pictures.html
Composition• Most asteroids are 80 made out of carbon 70 carbon but, some are made 60 out of other materials 50 metallic iron like silicate, metallic, 40 iron/nick and dark ice. 30 el 20 ice 10 0
Interesting Facts• Asteroids have large craters on them.• The really big asteroids have moons.• In 1908 a fireball exploded into Siberia destroying an ancient forest and killing a herd of reindeer.www.enchantedlearning.com
Meteoroids, Meteors, and Meteorites • Meteoroids are small pieces of dust and rock that are found in space. • Meteors are meteoroids that reach the atmosphere. • Meteorites are meteors that reach Earth.http://www.solar views.com/eng/meteor.htm
Meteor Showers • A meteor shower is when many meteors fall from the atmosphere on to Earth. • The average meteor in a meteor shower is about the size of a grain of sand.http://co http://comets.amsmeteors.org/meteors
The Difference • This is the difference between asteroids and comets. • They have many differences but, some they are also alike in some ways.http://www.enchantedlearning.com/subjects/astronomy/activities/venn/cometasteroid/index.shtml
Life • I don’t think people could live on a comet right now but, I think we would be able to in the future because of our major advancements in technology.clipart
Did You Know? • Meteors are actually debris from comets. • Meteors travel 71 kilometers per second that’s 2,663 times as fast as a Randy Johnson fastball.http://leonid.arc.nasa.gov/meteor.html
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