The Horsehead Nebula can be found in the constellation Orion. Its name comes from its resemblance to a horse's head. The Horsehead Nebula was first discovered by Williamina Fleming in 1888.
No, the Horsehead Nebula is a dark nebula in the constellation Orion and does not have any moons. Moons are natural satellites that orbit planets, whereas nebulae are large clouds of gas and dust in outer space.
Horsehead Nebula doesn't glow like other nebulae because it is older than other nebulae and was probably a lot smaller. In addition, Horsehead Nebula is farther away from the Earth than other nebulae, so it may seem that it doesn't glow as bright as other nebulae. No, this isn't right! The horsehead nebula doesn't glow for one reason - it isn't illuminated by any stars whose energy is enough to make the gas shine. That's the only difference between a 'bright' diffuse nebula (like M42) and a 'dark' one like the Horsehead or the Coalsack. M42 (the Orion nebula) is bright because there are several hot, energetic stars embedded inside it, and which cause it to 'shine'.
The Pillars of Creation or the Eagle Nebula is only about 7,000 light years from us, so it is definitely in the Milky Way Galaxy.
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The Horsehead Nebula can be found in the constellation Orion. Its name comes from its resemblance to a horse's head. The Horsehead Nebula was first discovered by Williamina Fleming in 1888.
Diffuse Nebula
I think it would be impossible to argue that it does NOT spin. As part of the Milky Way, the Horsehead Nebula is orbiting around the center of the galaxy. Since that is true, it would be perceived as having a spin either sidereally or synodically or both, and it may be spinning around its own axis as well. Even if it isn't, it is spinning from some valid point of view.
the horsehead nebula
No, the Horsehead Nebula is a dark nebula in the constellation Orion and does not have any moons. Moons are natural satellites that orbit planets, whereas nebulae are large clouds of gas and dust in outer space.
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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.
Horsehead Nebula doesn't glow like other nebulae because it is older than other nebulae and was probably a lot smaller. In addition, Horsehead Nebula is farther away from the Earth than other nebulae, so it may seem that it doesn't glow as bright as other nebulae. No, this isn't right! The horsehead nebula doesn't glow for one reason - it isn't illuminated by any stars whose energy is enough to make the gas shine. That's the only difference between a 'bright' diffuse nebula (like M42) and a 'dark' one like the Horsehead or the Coalsack. M42 (the Orion nebula) is bright because there are several hot, energetic stars embedded inside it, and which cause it to 'shine'.
Planetary nebulae (the cat's eye nebula) Emission nebulae (the orion nebula) Dark nebulae (the horsehead nebula) Supernova remnant nebulae (the crab)
Earth is IN a galaxy - as is the nebula.
A Galaxy is far bigger than a nebula.
A nebula galaxy does not exist.