A Galaxy is far bigger than a nebula.
The nebula in a galaxy is a dead star, long dead, possibly about to turn into a black hole. actually, its the opposite: nebula is like a cloud of space trash. when the "cloud" gets too big, it explodes. the bigger the explosion, the bigger the new star.
Yes, much bigger. There are many stars in our galaxy, thousands of millions of them. Everything you see in the night sky is in our galaxy, including the Moon, so the galaxy is much bigger.
Earth is IN a galaxy - as is the nebula.
Nebula.
A nebula galaxy does not exist.
The Orion nebula is part of our own galaxy (the Milky Way). The Orion nebula is about 1500 light-years away from us. Our galaxy is about 100000 light-years across.
Yes, a galaxy is typically much larger than a nebula. Galaxies are massive systems containing billions to trillions of stars, while nebulae are clouds of gas and dust in space that can range in size from a few light-years to hundreds of light-years across.
Galaxy
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It is a nebula.
Yes. There are many planetary nebulae in our galaxy.
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