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#926282 - 02/08/18 08:24 PM Cosmic Valentines to share  
Joined: May 2010
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Mona - Astronomy Offline
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Tiger

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Valentine's Day. Is it a romantic day or one invented by greeting card companies and sellers of luxury goods? It certainly isn't an astronomical holiday, but whatever your view of the day, you can enjoy this selection of cosmic valentines.

Click to read about Astronomical Valentines.


Mona Evans
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#926289 - 02/09/18 07:09 PM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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Mona - Astronomy Offline
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Tiger

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Pluto has many fans. And since the New Horizons 2015 flyby, it also seems to have a heart. This picture of Pluto would make a lovely valentine.


Mona Evans
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#926307 - 02/10/18 10:52 PM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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Tiger

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How many hearts are there bigger than this heart? it's a feature on Mars that's about 2.3 km (1.4 miles) across at the widest point. Aww, who could resist?


Mona Evans
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#926325 - 02/11/18 08:57 PM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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Tiger

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Awww. It's the Heart Nebula IC 1805. It's a cloud of gas and dust lying about 7,500 light-years from Earth in the constellation Cassiopeia.


Mona Evans
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#926335 - 02/12/18 04:35 PM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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I' ve come across this astro-heart recently. (It was uploaded to Pinterest by Vicki Blake.) It's a heart-shaped collage of nebulae. You may recognize part of the iconic Hubble Crab Nebula image in the top center of the heart.


Mona Evans
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#926351 - 02/13/18 08:45 AM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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The Milky Way over ESO's Paranal observatory in Chile. Photographer Julien Girard added the heart by stepping into the field of view with a small flashlight during the 25-second expsure.


Mona Evans
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#926362 - 02/14/18 09:39 AM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
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On Valentine's Day 2011 NASA's Stardust-NExT mission made a close fly-by of comet Tempel 1. No one actually rendered this in chocolate. However an artist did create a picture of a delicious-looking chocolate-themed space rendezvous

Credit: NASA/JPL-Caltech


Mona Evans
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#926378 - 02/14/18 10:45 PM Re: Cosmic Valentines to share [Re: Mona - Astronomy]  
Joined: May 2010
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Mona - Astronomy Offline
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Tiger

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This is the heart of the Heart Nebula (IC 1805). It looks more like a human heart than a Valentine heart.
Quote
This heart glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape are all created by a small group of stars near the nebula's center. In the heart of the Heart Nebula are young stars from the open star cluster Melotte 15 that are eroding away several picturesque dust pillars with their energetic light and winds. The open cluster of stars contains a few bright stars nearly 50 times the mass of our Sun, many dim stars only a fraction of the mass of our Sun, and an absent microquasar that was expelled millions of years ago. The Heart Nebula is located about 7,500 light years away toward the constellation of the mythological Queen of Aethiopia (Cassiopeia).

Credit & Copyright: Alan Erickson
Description: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)


Mona Evans
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