Tag: Photographs

• Colorful Aurora Borealis in Iceland. Found at http://buff.ly/1fUBOsK

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68627910376/colorful-aurora-borealis-in-iceland-found-at

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• On Top of Eiger Peak, Berner Alpen, Switzerland. Found at http://buff.ly/1fUBH0j

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68627807583/on-top-of-eiger-peak-berner-alpen-switzerland

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• This sharp, wide-field view features infrared light from the spiral Andromeda Galaxy (M31). Dust heated by Andromeda’s young stars is shown in yellow and red, while its older population of stars appears as a bluish haze. The false-color skyscape is a mosaic of images from NASA’s new Wide-field Infrared Survey Explorer (WISE) satellite. With over twice the diameter of our Milky Way, Andromeda is the largest galaxy in the local group. Andromeda’s own satellite galaxies M110 (below) and M32 (above) are also included in the combined fields. Launched in December 2009, WISE began a six month long infrared survey of the entire sky on January 14. Expected to discover near-Earth asteroids as well as explore the distant universe, its sensitive infrared detectors are cooled by frozen hydrogen. Found at http://buff.ly/1fUBHNP

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68627804445/this-sharp-wide-field-view-features-infrared

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• Eta Carinae is a stellar system in the constellation Carina, about 7,500 to 8,000 light-years from the Sun. The system contains at least two stars, one of which is a luminous blue variable (LBV), which during the early stages of its life had a mass of around 150 solar masses, of which it has lost at least 30 since. It is thought that a hot supergiant of approximately 30 solar masses exists in orb…it around its larger companion star, although an enormous thick red nebula surrounding Eta Carinae makes it impossible to see optically. Eta Carinae is enclosed in the Homunculus Nebula, itself part of the much larger Carina Nebula. Its combined luminosity is about five million times that of the Sun and has an estimated system mass in excess of 100 solar masses. It is not visible north of latitude 30°N and is circumpolar south of latitude 30°S. Because of its mass and the stage of life, it is expected to explode in a supernova or even hypernova in the astronomically near future. Image credit: R. Jay GaBany Found at http://buff.ly/1cGmZF2

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68627251679/eta-carinae-is-a-stellar-system-in-the

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• Ring nebula by Hubble Found at http://buff.ly/184ea8e

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68622131213/ring-nebula-by-hubble-found-at

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• Waterfall Island, Alto Parana, Paraguay Found at http://buff.ly/1eKAFRl

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68620804806/waterfall-island-alto-parana-paraguay-found-at

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• Earthrise viewed from lunar orbit prior to landing Found at http://buff.ly/18R0yhm

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68620792023/earthrise-viewed-from-lunar-orbit-prior-to

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• Gudvangen, Norway Found at http://buff.ly/1eKAC80

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68620785111/gudvangen-norway-found-at

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• The Sombrero Galaxy, also known as Messier 104 (M104), is a famous unbarred spiral galaxy located in the southern skies, in the direction of Virgo constellation. It lies at a distance of 29.3 million light years from Earth. The galaxy’s designation in the New General Catalogue is NGC 4594. The Sombrero Galaxy is known for its appearance, similar to that of a Mexican hat, with a bright white core surrounded by thick lanes of dust and a halo of globular clusters and stars, appearing almost edge-on when observed from Earth. Messier 104 has an exceptionally large and prominent central bulge, which contains billions of very old stars that are responsible for the glow of the galaxy’s central region. The dust lanes contain a number of younger, brighter stars. M104 is believed to contain a large black hole at its centre. The central region is quite bright across the electromagnetic spectrum. With an apparent visual magnitude of 8.98, the galaxy can’t be seen without binoculars, but it can easily be found in smaller telescopes. The Sombrero Galaxy can be seen in 7×35 binoculars or a 4-inch telescope. The galaxy’s central bulge can be made out in a medium-sized telescope, and the dust lane is visible in larger telescopes, starting from 10-inch and 12-inch telescopes. To distinguish the galaxy’s bulge from the disk, one needs at least an 8-inch telescope. Images from NASA’s Spitzer Space Telescope have revealed that Messier 104 has a significantly larger and more massive halo surrounding it than previously believed, which suggests that it might really be a giant elliptical galaxy. In 2012, infrared images from Spitzer indicated that the Sombrero Galaxy is really two galaxies in one: a large elliptical galaxy with a thin disk galaxy embedded within. The galaxy’s halo, seen glowing in visible light images, was revealed to be the right mass and size for a large elliptical galaxy. The discovery raised questions over the galaxy’s formation because what would usually be the most likely scenario – the giant elliptical galaxy swallowing the smaller spiral galaxy – does not make sense here because the smaller galaxy’s disk would most likely not have survived the collision. Another theory suggests that a cloud of dust was drawn in by the gravity of the elliptical galaxy, and formed a spinning disk around the galaxy’s centre. The Sombrero Galaxy is believed to be similar to Centaurus A, another elliptical galaxy with an embedded disk inside it, located in Centaurus constellation. Found at http://buff.ly/18R0sq4

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68620733574/the-sombrero-galaxy-also-known-as-messier-104

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• Helix nebula by Jeff Johnson http://buff.ly/18R0q1c Found at http://buff.ly/18R0nT8

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68620729613/helix-nebula-by-jeff-johnson

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• The Great Barrier Reef, Australia Found at http://buff.ly/1im5fWs

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68617139603/the-great-barrier-reef-australia-found-at

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• Star Trek star George Takei reviews a cable http://buff.ly/1cEtV5q Found at http://buff.ly/1cEtW9y

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68611910703/star-trek-star-george-takei-reviews-a-cable

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• As Darkness Falls by Colin H. Sillerud Found at http://buff.ly/1ilPkas

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68606562700/as-darkness-falls-by-colin-h-sillerud-found-at

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• Carl Jung Found at http://buff.ly/1ilPMph

  2013-11-30

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  via Tumblr http://joshuastarlight.tumblr.com/post/68601006054/carl-jung-found-at-http-buff-ly-1ilpmph

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