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Big Bang, A massive collection of stars, gas and dust, all held together…
Big Bang
Universe
Galaxy
Milky Way
Nebula
Star
Main sequence
dwarf
Red giant
Supernova
Black hole
Magnitude
light year and parsec
A massive collection of stars, gas and dust, all held together by gravity
I connected galaxy to nebula since a nebula is a cloud of gas and dust
New stars are formed from a nebula
A theory about the origin of our universe
A measure of a star's brightness
unit for expressing distance for stars and galaxies
A stage in a star's life during which the star fuses hydrogen into helium in its core
A star in the late stage of its cycle when it has run out of hydrogen fuel in its core
A dim and small star
galaxy we live in
massive explosion of a giant star
A black hole is formed when a massive star collapses under its own gravity