Tag: Photograph

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68157540997

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According to modern theories, every object in the Universe today started out as a cloud of gas. These nebulae are building blocks, and using things like gravity and fusion, go on to create all the stars and planets, black holes, galaxies, globular clusters, and everything else in the cosmos. The zodiac sign Sagittarius is a centaur, raising up his bow ready to fire. Located between Ophiuchus and …Capricornus, Sagittarius contains the center of the Milky Way galaxy. Slightly up and to the right of his bow sits a tiny smudge of light, faintlySagittarius visible to the naked eye. That tiny smudge is the Lagoon Nebula, a cloud of gas measuring 110 light years across. Estimates put the Lagoon Nebula between 4,000 and 6,000 light years away from the Earth. Even though the nebula is visible to the naked eye, it is still very faint. For this reason ancient astronomers weren’t aware of its existence. It was discovered in 1747 by Guillaume Le Gentil. The nebula itself is composed mostly of hydrogen, and is classified as an emission nebula and an H II region. Many of the stars inside the Lagoon Nebula give off huge amounts of energy. This energy is put into the surrounding gas, causing it to ionize. We are able to see the nebula because the ionized gas that it is composed of gives off its own light. Inside the Lagoon Nebula astronomers are finding some very interesting structures. O-type stars are some of the rarest stars in the Universe. They are the biggest stars in our classification system, and are mostly hidden inside nebulae. These enormous stars have such strong gravity that fusion going on in their cores happens orders of magnitude faster than other stars. Where most stars last billions of years, O-type stars live brilliantly short lives measured in millions of years, putting out huge amounts of energy. — by Emil Ivanov http://buff.ly/1aVi5Ez Found at http://buff.ly/1aVi5EB

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68156510451/according-to-modern-theories-every-object-in-the

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Messier 81 – A spiral galaxy, one of the densest known with 250 billion suns, about 12 million light-years away in the constellation Ursa Major… Found at http://buff.ly/1c6rE4M

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68156472779/messier-81-a-spiral-galaxy-one-of-the-densest

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Bamboo Forest, Japan. Found at http://buff.ly/18lfciP

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68155522747/bamboo-forest-japan-found-at

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This stunning false-color picture shows off the many sides of the supernova remnant Cassiopeia A. It is made up of images taken by three of NASA’s Great Observatories, using three different wavebands of light. Infrared data from the Spitzer Space Telescope are colored red; visible data from the Hubble Space Telescope are yellow; and X-ray data from the Chandra X-ray Observatory are green and blue…. Located 10,000 light-years away in the northern constellation Cassiopeia, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion seen on Earth 325 years ago. It consists of a dead star, called a neutron star, and a surrounding shell of material that was blasted off as the star died. This remnant marks the most recent supernova in our Milky Way galaxy, and is one of the most studied objects in the sky. Each Great Observatory highlights different characteristics of this celestial orb. While Spitzer reveals warm dust in the outer shell about a few hundred degrees Kelvin (80 degrees Fahrenheit) in temperature, Hubble sees the delicate filamentary structures of hot gases about 10,000 degrees Kelvin (18,000 degrees Fahrenheit). Chandra probes unimaginably hot gases, up to about 10 million degrees Kelvin (18 million degrees Fahrenheit). These extremely hot gases were created when ejected material from Cassiopeia A smashed into surrounding gas and dust. Chandra can also see Cassiopeia A’s neutron star (turquoise dot at center of shell). Blue Chandra data were acquired using broadband X-rays (low to high energies); green Chandra data correspond to intermediate energy X-rays; yellow Hubble data were taken using a 900 nanometer-wavelength filter, and red Spitzer data are from the telescope’s 24-micron detector. Found at http://buff.ly/18lephX

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68155260003/this-stunning-false-color-picture-shows-off-the

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Milky Way over Lake Tekapo, New Zealand by Hironori Funahashi Found at http://buff.ly/18lelP9

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68155247352/milky-way-over-lake-tekapo-new-zealand-by

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ESA/Hubble Flashback: The Cartwheel Galaxy. Feel free to share! A rare and spectacular head-on collision between two galaxies appears in this Hubble Space Telescope true-color image of the Cartwheel Galaxy, located 500 million light-years away in the constellation Sculptor. View larger image at:… http://buff.ly/193XNWd Credit: Kirk Borne (ST ScI), and NASA/ESASee More Found at http://buff.ly/193XMSe

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68153378192/esa-hubble-flashback-the-cartwheel-galaxy-feel

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2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68149654722

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russellcollisonphotography: Preston Park Rockery-4

2013-11-26

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via Tumblr http://joshuastarlight.tumblr.com/post/68149001575/russellcollisonphotography-preston-park

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The remarkable waste of America’s healthcare system, explained in 1 chart: http://buff.ly/18hR6p7 The U.S. spends far, far more per person than any other rich country on healthcare—and we don’t get more for it. (Credit: OECD, via Aaron Carroll) Found at http://buff.ly/18hR6p9

2013-11-25

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via Tumblr http://joshuastarlight.tumblr.com/post/68126882564/the-remarkable-waste-of-americas-healthcare

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“Everything I love most happens most every day.” ~ Howard Norman, translator of Algonquin, Cree, and Inuit folklore + Image: Amandine Torrente, http://buff.ly/1c2kUEX Found at http://buff.ly/1c2kUEZ

2013-11-25

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via Tumblr http://joshuastarlight.tumblr.com/post/68121308408/everything-i-love-most-happens-most-every-day

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“Pure Consciousness, which is the Heart, includes all, and nothing is outside or apart from it. That is the ultimate Truth.” — Sri Ramana Maharshi Found at http://buff.ly/In8yM8

2013-11-25

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via Tumblr http://joshuastarlight.tumblr.com/post/68115712616/pure-consciousness-which-is-the-heart-includes

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