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By: Ciara Harrison, Julia Romero & Greg Moore

By: Ciara Harrison, Julia Romero & Greg Moore. History of Comets. Comets were discovered by danish astronomer tycho brahe in 1577. Haleys comet was named after comond halley. Isaac newton showed that a comets movements are much like the same laws that control the planets orbits.

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By: Ciara Harrison, Julia Romero & Greg Moore

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  1. By: Ciara Harrison, Julia Romero & Greg Moore

  2. History of Comets • Comets were discovered by danish astronomer tycho brahe in 1577. • Haleys comet was named after comond halley. • Isaac newton showed that a comets movements are much like the same laws that control the planets orbits.

  3. Distance From Earth in KM. • Comets are usually about 9.2 million miles from earth. • Sometimes comets get in the way of another comet and they will collide.

  4. Composition Temperature & Atmosphere of Comets • Comets have an icy body. Therefore they are super cold. • The atmosphere around a comet is a gas cloud.

  5. Types or Kinds of Comets • There are many different kinds of comets. This is a list of them: Main belt comets, centaurs, krentz sungrazers, short period comets, and great comets.

  6. Life Cycle of Comets

  7. Physical Characteristics of Comets • The physical characteristics of comets are that they have an icy body that releases gas or dust.

  8. Could Life Exist? What would it look like? • No life on comets could not exist because comets are made of ice, dust, and little pieces of rocks; therefore it is impossible to go to a comet.

  9. History of Asteroids • Asteroids were made when something hits a planet or moon and a piece of rock chips off. • Asteroids are known to be grouped together in an asteroid belt.

  10. Distance of main asteroid belt from earth • The main asteroid belt is about 5 km from the earth.

  11. What are asteroids made of? • Asteroids are made of rocky chunks of matter in orbit around the sun.

  12. Composition of Asteroids • Asteroids are varied in their composition. • Most are made of rock, but some are composed of metals and other materials.

  13. Types or kinds of asteroids & Where are they found?

  14. Physical characteristics of asteroids • Asteroids range in size and are just rocks.

  15. Could life exist? What would it look like? • Life could not exist on an asteroid because it is just a giant rock.

  16. Temperature and Atmosphere of an Asteroid • Every asteroid is different because of the different sizes,orbits, and compositions; But the average asteroid in the asteroid belt is about -150C. • Around an asteroid is usually rocks, cold ice, dust, and other minerals.

  17. History of Meteoroids • They have only found 7 meteoroids that have hit earth in history. • All of the 7 that hit earth were large impact.

  18. Distance from Earth • Most meteoroids move close to the earth, however, only few of them hit earth. The rest of them just pass by.

  19. Size, Density, & what is it made of? • Meteoroids are 3.5x more dense then an earth rock • Their size is at least the size of speck of dust but smaller then an asteroid. • Meteoroids are made of a small piece of dust, rock, ice, or metal.

  20. Composition, Temperature, & Atmosphere • Meteoroids are mainly iron. • Meteoroids temperature depends on weather in sunlight or moonlight. • Move at light speed.

  21. Types or Kinds of Meteoroids

  22. Life Cycle of Meteoroids

  23. Could Life Exist? • No life could not exist because a meteoroid is just a fast moving space rock and will get to cold and to hot.

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