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Asteroids, Comets, Meteors
Transcript of Asteroids, Comets, Meteors
Meteors Asteroids Asteroids are airless rocky bodies that orbit our sun , but asteroids are to small to be called planets, still scientists call asteroids, "Minor Planets." What are Asteroids made up of? Asteroids are made up of rock and iron What do Asteroids look like? How do Asteroids impact us? For a dangerous impaction of a asteroid to Earth, consists of two things, the size of the asteroid and the energy it holds. If a asteroid with intense energy and a massive size, it can destroy everything on Earth and maybe even Earth itself. Why do scientists study Asteroids? Scientists are trying to use the minerals from, asteroids to help the people of Earth. Also, using the asteroids to figure the mystery of the solar system. Comets Comets are cosmic snowballs
that orbits the sun. Comets are called,"dirty snowballs," because of its composition, which is mostly ice and dust. What are Comets made up of? Comets are made up of frozen gases, rock, and dust What do Comets look like? What kind of impact can Comets have on Earth? Comets that hit the Earth, almost have the same effect like a asteroid hitting Earth.It is very destructive. A comet hitting Earth in our lifetime is rare. Why do scientists study Comets? Scientists have a theory that states that comets could have been one of the factors that killed the dinosaurs
Comets offer clues to the beginning of the planets.
Scientists predict that comets have something to do with the water in the Earth. Meteors Meteors are when Meteoroids fall through a planets atmosphere.Also meteors leave a bright fiery trail when its moving towards Earth; meteors are often called, "shooting stars." What are Meteors made up of? Little chunk of rock What do Meteors look like? A little or a massive piece of rock surrounded with fire and leaves a bright trail. How do Meteors impact us? Meteor impact, on Earth has a great impact, but it depends if the meteor survives until it hits the Earth. Also, a meteor is not enough to destroy the whole Earth. If the meteor survives it can do some very destructive damage and anything miles around it. If the meteor burns up in the atmosphere or breaks into little pieces, it wouldn't do any harm to Earth or anything on it. Why do scientists study meteors? They study it to learn more about the history of the Solar System They have learned that meteors are very ancient rocks that come from many different bodies in the solar system. Meteoroids A meteoroid is a piece of stony or metallic debris which travels in outer space. Meteoroids travel around the Sun in a variety of orbits and at various speeds. Most meteoroids are about the size of a pebble. Meteorites When meteor pieces survive the journey to a planet and hits the planet's surface it is called meteorite. Most Asteroids look similar to the moon with a white-greyish tone and deep craters. Also, Asteroids come in various shapes and sizes. Most comets look like snowballs with one or more tail Differences between an asteroid, a comet, a meteor, a meteorite, and a meteoroid: By: Jawad Haque Asteroids, Meteors, Meteorites, and Meteoroids do not have visible comas. (Comets Do)
Comets are mainly made up of Ice and Dust. (Asteroids are not)
Asteroids and Comets can destroy almost everything on the Earth.(Meteors, Meteorites, Meteoroids do not)
Meteorites are survived parts of the Meteors
Asteroids are inactive bodies of rock.(Comets are active)
Asteroids are mainly made of Carbon, Metallic Iron, and Magnesium Silicates.(Comets are not) C-type (carbonaceous): These are considered one the most common types of asteroids. Very dark, composition is considered to be similar to the Sun. C-type asteroids mostly inhabit the main belt's outer regions. Type of Asteroid : Type of Asteroid: S-type (silicaceous): Bright, composition is metallic iron mixed with iron and magnesium-silicates. These asteroids dominate the inner asteroid belt. S-type Asteroid C-type Asteroid Type of Asteroid: M-type (metallic): Bright, composition is dominated by metallic iron. These inhabit the main belt's middle region. M-type Asteroid Mars Meteorite Meteorite What type of path do asteroids follow or take on? Asteroids' orbital paths are influenced by the gravitational pull of planets, which cause their paths to change. Therefore, Asteroids tend to just go with the flow. Where do asteroids hang out? Many Asteroids orbit the Sun in circular orbits in the Asteroid Belt between Mars and Jupiter The orbit of a comet follows and elliptical path around the Sun. This means there is a point for each comet where it is closest to the Sun and farthest from the Sun. These two points are called: Perihelion(closest to the Sun), and Aphelion(farthest from the Sun). What Type of Orbit do Comets Follow? Bibliography: The Star Child Team. "Isn't that amazing?" Meteoroids. 3/25/13 http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/meteoroids.html
Editor: Nancy S. Todd NASA Official: Dr. Carlton Allen. "Meteorite Research" Exploring the Solar System with Meteorites from Antarctica. Last modified on April 29, 2011. 3/24/13 http://curator.jsc.nasa.gov/antmet/metsfromant/research.cfm
The NASA Team. " Meteors & Meteorites: Read More" Solar System Exploration. 3/25/13 http://solarsystem.nasa.gov/planets/profile.cfm?Object=Meteors&Display=OverviewLong
The NASA Team. "Meteors & Meteorites: Overview" Solar System Exploration. 3/27/13 http://solarsystem.nasa.gov/planets/profile.cfm?Object=Meteors
The NASA Team. "Asteroids: Overview" Solar System Exploration. 3/26/13 http://solarsystem.nasa.gov/planets/profile.cfm?Object=Asteroids
The NASA Team. "Asteroids: Read More" Solar System Exploration. 3/23/13 http://solarsystem.nasa.gov/planets/profile.cfm?Object=Asteroids&Display=OverviewLong
The "Science Kids" people. "Space Facts", "Space Object Differences", "Comet", "Asteroid", "Meteor", "Meteorite", "Meteoroid." Science Kids Fun science & technology for kids. 3/27/13 http://www.sciencekids.co.nz/sciencefacts/space/cometasteroidmeteoroiddifferences.html
Site Manager: Don Yeomans Webmaster: Ron Baalke. "Why study asteroids?" "Why study comets?". Near Earth Object Program. Last Updated: 04/02/2013. 3/25/13 http://neo.jpl.nasa.gov/faq/
The NASA Team. "S-type", "C-type", M-type." Asteroids. 3/24/13 http://nssdc.gsfc.nasa.gov/planetary/text/asteroids.txt
Astronomer Team. "Comets, Meteors and Asteroids" Curious About Astronomy?. 3/22/13 http://curious.astro.cornell.edu/comets.php
Scientists. "Following the Comet" How Stuff Works. 3/25/13 (Video), http://videos.howstuffworks.com/discovery/35309-following-the-comet-video.htm
The NASA Team. "Comet" nasa.gov 3/23/13 http://www.nasa.gov/audience/forstudents/k-4/dictionary/Comet.html
"Time" people. "Asteroid Hits Earth! How the Doomsday Scenario Would Play Out" Time Space & Science. 3/25/13 http://science.time.com/2013/02/14/asteroid-hits-earth-how-the-doomsday-scenario-would-play-out/ Koppes, Steven N. Killer Rocks From Outer Space: Recognizing Meteorites and Impact Craters. Minneapolis: Division of Lerner Publishing Group-LP Company, 2004.
Koppes, Steven N. Killer Rocks From Outer Space: Impact, The Planets, And the Origin of Life on Earth. Minneapolis: Division of Lerner Publishing Group-LP Company, 2004.
Koppes, Steven N. Killer Rocks From Outer Space: Defending Planet Earth. Minneapolis: Division of Lerner Publishing Group-LP Company, 2004. Book: Arizona Desert Crater Websites: