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Cosmic Father's Day #928247
06/05/18 06:49 PM
06/05/18 06:49 PM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Mona - Astronomy  Online Content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom

What sort of tie would you give a cosmic father? What would you feed him? Where might he find challenging mountaineering, make an astounding golf shot or get up an interstellar soccer game? How can you send a special man a genuinely galactic greeting? Here's how.

Cosmic Father's Day


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928259
06/06/18 10:03 AM
06/06/18 10:03 AM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Mona - Astronomy  Online Content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
This picture of the nebula around a rare yellow hypergiant star called IRAS 17163-3907 is the best ever taken of a star in this class and shows for the first time a huge dusty double shell surrounding the central hypergiant. The star and its shells resemble an egg white around a yolky centre, leading astronomers to nickname the object the Fried Egg Nebula.

Image credit: ESO/E. Lagadec


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928281
06/07/18 05:57 PM
06/07/18 05:57 PM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
The Pancake Galaxy (ESO 373-8) is a spiral galaxy located some 25 million light-years away in the constellation Andromeda. We're looking at the edge of the galactic plane which is quite flat.

And is that maple syrup on top?

Credit: ESA/Hubble & NASA


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928298
06/09/18 06:41 AM
06/09/18 06:41 AM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Mona - Astronomy  Online Content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
The Lobster Nebula (NGC 6537) is a planetary nebula around 4000 light years away in the constellation Sagittarius. A planetary nebula is a nebula formed when a dying sunlike star sloughs off its outer layers.

NGC 6537 is also known as the Red Spider Nebula. This would certainly not be appetizing. Also I think the nebula looks more like a lobster than a spider.

Photo credit: Garrelt Mellema (Leiden University) et al., HST, ESA, NASA


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928306
06/09/18 05:16 PM
06/09/18 05:16 PM
Joined: Apr 2002
Posts: 5,078
Central Virginia
A
Angie Offline
Wolf
Angie  Offline
Wolf
A
Joined: Apr 2002
Posts: 5,078
Central Virginia
Mona, my 4-year old grandson, Tyler, and I read a little book about rockets zooming into space. Rather than just talk about the little cartoonish stars in the book, I showed him some of the nebula and stars you have posted. He was hooked.

Re: Cosmic Father's Day [Re: Mona - Astronomy] #928336
06/11/18 08:23 AM
06/11/18 08:23 AM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
More seafood. Messier 1 is also called the Crab Nebula. This is because when Irish astronomer Lord Rosse first saw it, it reminded him of a crab. This was in the days before astrophotography, and here's Lord Rosse's drawing of the Crab Nebula. I can't say that I know anyone who thinks it looks anything like a crab, but the nickname has stuck for nearly 175 years.


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928369
06/13/18 04:04 AM
06/13/18 04:04 AM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Chimpanzee
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Posts: 7,669
United Kingdom
There is a zodiac constellation representing a crab, which is Cancer (Latin for crab). Here is Cancer depicted in Urania's Mirror, a 19th century set of constellation cards.


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928385
06/14/18 06:26 AM
06/14/18 06:26 AM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Chimpanzee
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Posts: 7,669
United Kingdom
The Prawn Nebula (IC 4628) is an emission nebula some 6000 light years away in the constellation Scorpius. The region shown in this photo is about 250 light years across. The nebula glows from hydrogen emission triggered by UV light from nearby hot stars. (Credit: ESO)


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928402
06/14/18 11:26 PM
06/14/18 11:26 PM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
There is also the constellation Pisces (the Fishes) and constellation Piscis Austrinus (the Southern Fish). However Dad might prefer the good old-fashioned Hamburger Galaxy (NGC 3628). Seen edge-on, the dust lane in the center of the galaxy looks like a burger between two slices of bread.

Image credit: Alessandro Falesiedi


Mona Evans
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Re: Cosmic Father's Day [Re: Mona - Astronomy] #928407
06/15/18 01:41 PM
06/15/18 01:41 PM
Joined: May 2010
Posts: 7,669
United Kingdom
Mona - Astronomy Online content OP
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Mona - Astronomy  Online Content OP
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Chimpanzee
Joined: May 2010
Posts: 7,669
United Kingdom
No one has ever outdone Apollo astronaut Alan Shephard when it comes to golf. He's the only person ever to hit a golf ball on the Moon. He was the first American in space and went on to command Apollo 14 (and, of course, play golf on the Moon). We don't know how far he hit the ball, but physicist Ethan Segal has calculated that you could hit one nearly two and a half miles in low gravity with no air resistance.

Maybe golf will be available when tourist ships start going to the Moon.


Mona Evans
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