Studied by 7 people
Conjunction
When a planet is in front or behind the sun as from earth
Superior conjunction
When planets are behind the sun from earth
Inferior conjunction
When a planet is between the sun and the earth
Opposition
When a planet is opposite the sun and earth and easiest to observe
Transit
The passing of one body in front of another
Occulation
When one celestial body obscures another
Elongation
The angular distance separating the moon or a planet from earth
Three ways to observe the sun
Telescopic projection, H-alpha filter, Pinhole camera
What is a comet
ice and rock body
what are the two trails from a comet
ion and curved dust tails
what is a comet’s dust tail
trail of dust due to suns radiation pressure, bright due to suns reflection
what is a comets ion tail
when particles from solar wind hit comet and form ion tail
what debris do comets create
meteors
what are the two types of meteoroids
cometary and asteroidal
what is a cometary meteoroid
small particles shed by comets
what is a asteroidal meteoroid
particles fallen or chipped of asteroids
what is a meteor
meteoroid that enters earths atmosphere
what is a meteorite
meteor that makes it to earths surface
what is a micro meteorite
micro metre sized meteroite
Note 
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