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Internet Search Results
What Is a Nebula? | Facts, Definition, What Are They?, Types
A nebula is a huge cloud of combined gas and dust in space. It can contain hydrogen, helium, and/or plasma. Click for even more facts or information.
Nebulae Facts For Kids | What?, Formation, Importance, Size, Comparison
Nebulas' size ranges from millions of miles to hundreds of light-years in diameter. Keep reading for more interesting facts perfect for kids.
Types of Nebulae | Galaxies, Globular & Open Clusters
A typical diffuse nebula is a few hundred light-years across. (NGC 2264 shown; see also the Horsehead Nebula) Planetary Nebulae Planetary nebulae are shells of gas thrown out by some stars near the end of their lives. Our Sun will probably produce a planetary nebula in about 5 billion years.
Andromeda Galaxy Facts - The Nine Planets
The Andromeda galaxy is the largest galaxy in the Local Group, more than twice the size of the Milky Way. Click for even more amazing facts and information.
The Origin of the Solar System l The Big Bang - The Nine Planets
Here is a brief outline of the current theory of the events in the early history of the solar system: A cloud of interstellar gas and/or dust (the “solar nebula”) is disturbed and collapses under its own gravity. The disturbance could be, for example, the shock wave from a nearby supernova. As the cloud collapses, it heats up and compresses in the center. It heats enough for the dust to ...
Orion Constellation | Facts, Information, History & Definition
This nebula can be found a third of a degree from the Horsehead Nebula. NGC 2023 is around 1,467 light-years away from Earth. Monkey Head Nebula The Monkey Head Nebula, designated as NGC 2174, is an emission nebula classified as an H II region. It is associated with the open cluster NGC 2175, also located in Orion.
R136a1 | Facts, Information, History & Definition
R136a1 is the most massive and luminous star ever discovered in the Universe. It is also one of the hottest stars, and it is located in the Large Magellanic Cloud. Key Facts & Summary R136a1 is approximately 163.000 light-years away from Earth, and it is estimated to have around 315 times the mass of our Sun. R136a1 is almost 9 million times more luminous than the Sun. R136a1 is a Wolf-Rayet ...
Corona Australis | Facts, Information, History, Definition & Notable Stars
Corona Australis Nebula The Corona Australis Nebula is a bright reflection nebula, located at around 420 light-years away from us. This nebula is formed by several bright stars that are caught up in a dark cloud of dust, and this cloud is also a star-forming region, with clusters of young stars embedded within it.
Monoceros Constellation | Facts, Information, Mythology, History ...
Monoceros is a faint constellation located on the celestial equator. Its name translates to unicorn from Greek. Click for more information.
Eta Carinae (η Carinae) | Facts, Information, History & Definition
Eta Carinae is engulfed by the Homunculus Nebula. This nebula is embedded within the much larger Carina Nebula, a large star-forming H II region. Carina was part of a larger constellation called the Argo Navis – this constellation represented the ship of Jason and the Argonauts. The brightest star, Canopus, marked the ship’s keel.
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