Science Flashcards
Neo
Near earth object
Rocky fragments
Comets
True or false
Comet and asteroid have irregular shape
True
True or false
Asteroid is smaller and difficult to see
True
True or false
Comet and asteroid is not both orbit the sun
False
It is 200 to hundred million of the year
Long periods comet
Long paint tail
Comets
Most famous comet
Halley’s comet
Vary bright
Hale bobb comet
4 parts of comet
Nucleus coma tail hydrogen envelope
Main solid body
Nucleus
Large halo of gas and dust
Coma
Surrounds the coma
Hydrogen envelope
Created when the solar radiation
Tail
2 origin comet
Short period comet
Long periods comet
Know as Kuiper belt
Short period comet
Know as Oort cloud
Long period comet
Know as minor planets
Asteroid
Chunk of rocks
Meteoroid
Chunk of rocks
Meteoroid
Hint earth surface
Meteorites
NASA
National Aeronautics and Space Administration
IAU
International Astronomical Union
