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The Orion Nebula, seen in the photos above, is one of the most photographed and scrutinized objects in the night sky. Visible to the naked eye, it’s located just south of Orion’s Belt in the Constellation of Orion.
Image credit: NASA, ESO, ESA
Nebula Captured From The Hubble Space Telescope
Galaxies From The View Of Hubble
The Crab Nebula is a supernova remnant and pulsar wind nebula found in the constellation of Taurus. At it’s center lies a neutron star 28-30km across, that emits radiation from gamma rays to radio waves. It is not visible to the naked eye, but can be seen using a telescope or binoculars.
Image Credit: NASA, ESA, ESO
The Tarantula Nebula, also known as NGC 2070, was thought to be a star until in 1751 when Nicolas Louis de Lacaille recognized its nebular nature. As an extremely luminous non-stellar object, it is so bright that if it were as close as the Orion Nebula, it would cast shadows on Earth.
Image Credit: NASA, ESO, ESA
The Helix Nebula is a large planetary nebula located in the constellation of Aquarius. Sometimes referred to as the “Eye of God”, it is one of the closest planetary nebula to Earth.
Image Credit: NASA, ESO, ESA
Supernova Remnants Throughout the Cosmos
Image Credit: NASA, ESO, ESA
The Carina Nebula is one of the largest diffuse nebulae in the sky, and contains several open star clusters within it’s boundaries. Measuring at nearly four times the size of the Orion Nebula, it is located in the Southern region of the Sky. Inside lies Eta Carinae, a luminous hypergiant star with a mass ranging from 100 to 150 times that of out Sun, and four million times as bright.
Image Credit: NASA, ESA, ESO
The Eagle Nebula is a region of star formation, ranging at about 90 trillion kilometers long. To put to scale, that’s the equivalent of approximately 2,250,000,000 Earth’s. One of the large regions inside of the nebula is a star forming region referred to as “The Pillars of Creation” (seen above), which evidence suggests may have already been destroyed by a supernova that exploded some eight to nine thousand years ago. However, the light from this massive event will not reach Earth for another millennium.
Image Credit: NASA, ESO, ESA
The Veil Nebula is a cloud of heated ionized gas and dust in the constellation Cygnus, and makes up the visible portion of the Cygnus Loop, a large but faint supernova remnant, which exploded 5,000-8,000 years ago.
Image Credit: NASA, ESA, ESO
Thor's Helmet Emission Nebula
“This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor's Helmet. Heroically sized even for a Norse god, Thor's Helmet spans about 30 light-years across. In fact, the helmet is more like an interstellar bubble, blown as a fast wind -- from the bright star near the center of the bubble's blue-hued region -- sweeps through a surrounding molecular cloud.”
Image Credit: NASA, ESA, ESO
NGC 1055
“Big, beautiful spiral galaxy NGC 1055 is a dominant member of a small galaxy group a mere 60 million light-years away toward the aquatically intimidating constellation Cetus. Seen edge-on, the island universe spans over 100,000 light-years, a little larger than our own Milky Way.”
Image Credit: NASA, ESA, ESO
NGC 7822: Stars and Dust Pillars in Infrared
“NGC 7822 lies at the edge of a giant molecular cloud toward the northern constellation Cepheus, a glowing star forming region that lies about 3,000 light-years away. The atomic emission of light by the nebula's gas is powered by energetic radiation from the hot stars, whose powerful winds and light also sculpt and erode the denser pillar shapes.”
Image Credit: NASA, ESA, ESO
“The Orion Nebula is arguably the finest of all nebulae within the Milky Way visible from the Northern Hemisphere. With a gaseous repository of 10,000 suns, and illuminated by a cluster of hot young stars, it glows with fantastic colours and shapes, giving us a bird’s eye view of one of the greatest star forming nurseries in our part of the Milky Way.”
Image Credit: NASA, ESA, ESO
One of the brightest galaxies in the sky is similar in size to our Milky Way, is the Spiral Galaxy M81. “Scrutiny of variable stars in M81 has yielded one of the best determined distances for an external galaxy -- 11.8 million light-years. The grand spiral galaxy can be found toward the northern constellation of the Great Bear (Ursa Major). “
Image Credit: NASA, ESA, ESO
The Veil Nebula is a cloud of heated ionized gas and dust in the constellation Cygnus, and makes up the visible portion of the Cygnus Loop, a large but faint supernova remnant, which exploded 5,000-8,000 years ago.
Image Credit: NASA, ESA, ESO
The Metamorphosis of Messier 8
"Located in the constellation of Sagittarius (The Archer), this giant cloud of glowing interstellar gas is a stellar nursery that is also known as the Lagoon Nebula. Although the name definitely suits the beauty of this object, “lagoon” does suggest tranquillity and there is nothing placid about the high-energy radiation causing these intricate clouds to glow. The massive stars hiding within the heart of the nebula give off enormous amounts of ultraviolet radiation, ionising the gas and causing it to shine colourfully, as well as sculpting the surrounding nebula into strange shapes. The result is an object around four to five thousand light-years away which, on a clear night, is faintly visible to the naked eye."