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Define Galaxy
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define cosmic background radiation
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
What is a main sequence star?
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define Redshift
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define Solar System
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define Universe
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define Dwarf
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
Define intermediate.
The Sun, eight planets, and all objects held by the Sun's gravity
The observation of distant objects turning red
The spherical shaped Milky Way, which the Solar System is a part of.
The left over microwave energy observed potentially from the Big Bang
The early stage of a star's existence where most of its life is spent.
The body which encompasses all other objects
Small
Middle
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