A nebula is a giant cloud of gas and dust located in the space between stars. Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial object that appears cloud-like when viewed through a telescope. Some nebulas are formed whe...
A nebula is a giant cloud of gas and dust located in the space between stars. Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial object that appears cloud-like when viewed through a telescope. Some nebulas are formed whe...
Whilst most nebulas are invisible to the naked eye, it is possible to just about see theOrion Nebula. Nebulas' names are because they look similar to real-life objects, and the Witch Head Nebula, as seen below, is because it looks vaguely like a witch's head. ...
Emission Nebulae are those that emit radiation from ionized gas and are often called HII regions because they are largely composed of ionized hydrogen. The Orion Nebula is an emission nebula and star-forming region. Not only is it thebrightest nebulain our sky, but it is also the most active...
M42 is the brightest nebula in the night sky and the only one that can be seen with the naked eye. With a casual glance below the three belt stars of Orion in a dark, light-pollution free sky, you’ll see this emission nebula as a small misty smudge. A pair of binoculars will begi...
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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What is a Nebula A Ranyard 被引量: 0发表: 1892年 What is powering the Orion Kleinmann-low infrared nebula J. 1995, What is Powering the Orion Kleinmann-Low Infrared Nebula, ApJ, 445, L157Menten, K. M., & Reid, M. J. What is powering the Orion ... KM Menten,MJ Reid - 《...
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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...