News tagged with planetary nebula

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The minimum mass of a proto-solar system disk

Astronomers estimate that at the time the Solar system formed, its proto-planetary disk contained the equivalent of about twenty Jupiter-masses of gas and dust. This so-called "minimum mass solar nebula (MMSN)" is derived ...

dateOct 19, 2015 in Astronomy
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How much do binary stars shape planetary nebulae?

Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it be magnetic fields, ...

dateJun 16, 2011 in Astronomy
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Hubble view of a nitrogen-rich nebula

This NASA/ESA Hubble Space Telescope image shows a planetary nebula named NGC 6153, located about 4,000 light-years away in the southern constellation of Scorpius (The Scorpion).

dateJun 29, 2015 in Astronomy
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Hubble observes glowing, fiery shells of gas

( —It may look like something from "The Lord of the Rings," but this fiery swirl is actually a planetary nebula known as ESO 456-67. Set against a backdrop of bright stars, the rust-colored object lies in the constellation ...

dateMar 04, 2013 in Astronomy
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Seeing the Cosmos Through 'Warm' Infrared Eyes

( -- NASA's Spitzer Space Telescope has taken its first shots of the cosmos since warming up and starting its second career. The infrared telescope ran out of coolant on May 15, 2009, more than five-and-half-years ...

dateAug 05, 2009 in Astronomy
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Giant galaxy is still growing

New observations with ESO's Very Large Telescope have revealed thatthe giant elliptical galaxy Messier 87 has swallowed an entire medium-sized galaxy over the last billion years. For the first time a team of astronomers has ...

dateJun 25, 2015 in Astronomy
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