cone nebula, dark nebula Living stars A star could be normal like our Sun throughout its life. A star with a companion star is known as a binary star or a multiple-star system. Binary refers to two, whereas in space, there are places where there are more than two stars in the same...
Planetary nebula: The Helix Nebula This is composed of expanding gas that was blown off by a star as it collapsed to a white dwarf. (Image credit: NASA, ESA, J. Hester, A. Loll (ASU)) Supernova remnant: The Crab Nebula Exactly as the name says, this is all that remains of a ...
of star that produced the explosion. With a Supernova Remnant, the star producing the explosion would be about eight or more times our sun. Anything smaller would create a planetary nebula. Ref:Cornell. The image is of theCrab Nebula, which despite its name, is not inCancerbut is in...
TheOrion Nebulais an emission nebula and star-forming region. It is the most active star-forming region in our Galaxy, and can easily be observed up-close with a small telescope. The Orion Nebula is a perfect example of a star-forming region or “stellar nursery”. Planetary Nebulae When ...
This is done either through the formation of a planetary nebula or a supernova. In this way, stars produce and distribute heavier elements such as carbon, nitrogen, and oxygen in the universe. The Sun is the closest star to Earth; however, many other stars are visible at night. One of ...
A stellar nebula is a cloud of superheated gases and other elements formed by the explosive death of a massive star.Stellar nebulae emit brilliant waves of infrared light generated by dust particles within the cloud. The cosmic objects known as nebulae, from the Latin for cloud, serve as the...
A nebula ais one of the most beautiful deep-sky objects in the night sky. But what is a nebula? And how do these space clouds form?
A nebula, named for the Greek word for ‘cloud,’is in fact an interstellar cloud of dust and gas.Like the clouds in the sky, nebulae come in interesting shapes like flowers, insects, animals or people.This is how many of them get their names.There are four main types of nebulae....
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supernovae, they blast their elements to space. The best example of a supernova is the Crab Nebula, in Taurus. The core of the original star is left behind as the rest of its material is blasted to space. Eventually, the core could compress to become a neutron star or a black hole....