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Transcript
Science Chapter 16
Light year
The distance light travels in
one year
Nebula
A cloud of gas and dust
where a new star is formed
Supernova
An explosion that is billions
times brighter than a star
Black hole
A point in space with
gravitational field so strong
not even light can escape
Galaxy
A huge system of stars, dust,
and gas held together by
gravity
Constellation
A group of stars that forms a
pattern
Galileo Galilei
First person to use a
telescope in astronomy
Science Chapter 16
Red Giant
A very old star that has
expanded and cooled as its
fuel begins to run out
White Dwarf
A very small dying star that
gives off very little light
Isaac Newton
Developed the reflecting
telescope