Related terms:
ngc
nebula
mly
kpc
virgo
andromeda galaxy
asterism
star formation
elliptical galaxy
astronomers
spiral galaxy
nebulosa
messier objects
spiral arms
local group
h ii
spiral nebulae
star cluster
milky way galaxy
globular cluster
canis major
two galaxies
dwarf galaxy
open clusters
nearby galaxies
sagittarius dwarf
proposed the milky way
spitzer space telescope
hubble
ursa major
Wikipedia sources:
Mark Messier
Orion Arm
Messier 87
Galaxy
List of Messier objects
Globular cluster
Orion Nebula
Sombrero Galaxy
Triangulum Galaxy
Crab Nebula
Andromeda Galaxy
Eagle Nebula
Whirlpool Galaxy
Pleiades (star cluster)
Virgo (constellation)
Ursa Major
Big Dipper
Vivendi
Curious George
Scorpius
Planetary nebula
Milky Way
Aquarius (constellation)
Cassiopeia (constellation)
Darker than Black
Leo (constellation)
Sagittarius (constellation)
Local Group
Canis Major
Context for words:
messier
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