Nebula - Wikipedia
A nebula (Latin for 'cloud, fog'; [1] pl.: nebulae, nebulæ, or nebulas[2][3][4][5]) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral, or molecular hydrogen and also cosmic dust. Nebulae are often star-forming regions, such as in the Pillars of Creation in the Eagle Nebula.
What Is a Nebula? | NASA Space Place – NASA Science for Kids
2024年12月5日 · A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form.
What is a Nebula? Nebula: Definition, Location and Variants | Space
2024年6月17日 · Nebula are often found in the space between stars, known as the interstellar medium. On average, this region contains only around one atom per cubic centimetre. However, in certain places the...
Hubble's Nebulae - Science@NASA
A famous example of an emission nebula is the Orion Nebula, a huge, star-forming nebula in the constellation Orion. The Orion Nebula is home to a star cluster defined by four massive stars known as the Trapezium. These stars are only a few hundred thousand years old, about 15-30 times the mass of our Sun, and so hot and bright that they're ...
Messier 16 (The Eagle Nebula) - Science@NASA
These towering tendrils of cosmic dust and gas sit at the heart of Messier 16, or the Eagle Nebula. The aptly named Pillars of Creation, featured in this stunning Hubble image, are part of an active star-forming region within the nebula and hide newborn stars in their wispy columns.
Discovering the Universe Through the Constellation Orion
2023年1月6日 · Below the three bright stars of Orion’s belt lies his sword, where you can find the famous Orion Nebula. The nebula is only 1,300 light-years away, making it the closest large star-forming region to Earth .
Planetary Nebula: Definition, Facts, Examples, Comparison
2024年11月1日 · Planetary nebulae are emission nebulae created when low-mass stars exhaust their fuel and shed outer layers into space. The core of the dying star illuminates a gas shell composed of hydrogen and helium, spanning tens of light-years. 1,500 known planetary nebulae exist in the Milky Way galaxy.
Nebula: Definition, Facts, Examples, Types, Difference
2024年9月9日 · Nebulae are vast interstellar clouds of gas and dust spanning tens of light-years in space. These cosmic structures consist primarily of hydrogen and helium, with traces of heavier elements and dust particles. Nebulae play a crucial role as stellar nurseries, forming new stars through gravitational collapse of dense regions.
Nebula – Definition, Examples, Types, Facts - Science Notes and …
2024年10月23日 · Eagle Nebula (M16): Located in the Serpens constellation, the Eagle Nebula is famous for the “Pillars of Creation,” towering columns of gas and dust captured by the Hubble Space Telescope. This nebula is an iconic image in space exploration and is another region of active star formation.
150 Notable Nebulae | Deep Sky Objects | GO ASTRONOMY
A nebula (plural: nebulae) is an interstellar cloud of dust, hydrogen, helium, and other ionized gases. The word "nebula" comes from the Latin for "cloud" or "fog," reflecting their hazy appearance. With sizes that range from less than 1 light-year to hundreds of light-years across, nebulae are some of the largest and most spectacular ...