Astronomy Picture of the Day (APOD)
01-31-2019, 01:37 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: SH2-308Laubing1024.jpg]

Source: APOD 2019 January 31
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01-31-2019, 05:52 PM, (This post was last modified: 01-31-2019, 05:52 PM by Cyan.)
RE: Astronomy Picture of the Day (APOD)
[Image: maxresdefault.jpg]

https://en.wikipedia.org/wiki/Quasi-star
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02-02-2019, 03:30 PM,
RE: Astronomy Picture of the Day (APOD)
LDN 1622: Dark Nebula in Orion

[Image: LDN1622_2019_01_14_1450min_LHaRGB.jpg]

Source: APOD, 2019 February 2

"I am all that has been, and is, and shall be..."
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02-03-2019, 06:54 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: AirglowFan_Lane_2400.jpg]

Source: APOD 2019 February 3
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02-04-2019, 08:35 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: N70_Durdis_960.jpg]

Source: APOD 2019 February 4
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02-07-2019, 12:33 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: FoxFur_25percent.jpg]

Source: APOD 2019 February 7
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02-08-2019, 03:15 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: ACherney_MoonPlanets.jpg]

Source: APOD 2019 February 8
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02-09-2019, 10:45 AM,
RE: Astronomy Picture of the Day (APOD)
[Image: Iwamoto-104-2019griffin_1024.jpg]

Source: APOD 2019 February 9
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02-10-2019, 06:03 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: VenusEarth_MagellanApollo17_1080.jpg]

Source: APOD 2019 February 10
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02-13-2019, 12:15 PM,
RE: Astronomy Picture of the Day (APOD)
The Helix Nebula in Hydrogen and Oxygen (NGC 7293)

[Image: Helix_Campbell_960.jpg]

Source: APOD 2019 February 13
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02-16-2019, 04:16 PM,
RE: Astronomy Picture of the Day (APOD)
NGC 2359: Thor's Helmet

[Image: thor_LHORHGOBO_final.jpg]

Source: APOD 2019 February 16
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03-07-2019, 03:48 AM,
RE: Astronomy Picture of the Day (APOD)
Sharpless 249 and the Jellyfish Nebula

[Image: F_JellyFish_FIN_APOD1024.jpg]

Source: APOD 2019 March 7
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03-08-2019, 03:23 AM,
RE: Astronomy Picture of the Day (APOD)
Stardust and Starlight in M78

[Image: M78_RGBwright1024.jpg]

Source: APOD, 2019 March 8

"I am all that has been, and is, and shall be..."
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04-03-2019, 12:12 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: HorseheadFlame_Zauner_960.jpg]

Quote:Explanation: The famous Horsehead Nebula in Orion is not alone. A deep exposure shows that the dark familiar shaped indentation, visible just below center, is part of a vast complex of absorbing dust and glowing gas. To bring out details of the Horsehead's pasture, an amateur astronomer used a backyard telescope in Austria to accumulate and artistically combine 7.5 hours of images in the light of Hydrogen (red), Oxygen (green), and Sulfur (blue). The resulting spectacular picture details an intricate tapestry of gaseous wisps and dust-laden filaments that were created and sculpted over eons by stellar winds and ancient supernovas. The Flame Nebula is visible just to the left of the Horsehead, while the bright star on the upper left is Alnilam, the central star in Orion's Belt. The Horsehead Nebula lies 1,500 light years distant towards the constellation of Orion.

There is no self in the sense of separate individuality, yet there is one prevailing identity.
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04-10-2019, 09:30 AM,
RE: Astronomy Picture of the Day (APOD)
First picture of a black hole:

[Image: 10BLACKHOLEPHOTO-superJumbo-v2.jpg?quali...;auto=webp]
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04-10-2019, 01:04 PM,
RE: Astronomy Picture of the Day (APOD)
So awesome !!!!!

it's like a giant one eyed smiley !!!!!!! Heart Heart
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04-12-2019, 05:27 PM,
pwn3d
A Cosmic Rose: The Rosette Nebula in Monoceros

[Image: JMD_Rosette_Rotated1024.jpg]

Source: APOD, 2019 April 12

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04-12-2019, 05:59 PM,
RE: Astronomy Picture of the Day (APOD)
[Image: 150210033609-hubble-galaxy-smiley-face-super-169.jpg]
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04-26-2019, 02:52 PM, (This post was last modified: 04-26-2019, 02:56 PM by Dekalb_Blues.)
Big Gulp
(04-10-2019, 09:30 AM)Infinite Wrote:  First picture of a black hole:
[Image: 10BLACKHOLEPHOTO-superJumbo-v2.jpg?quali...;auto=webp]

Second picture of a black hole:

[See https://www.bring4th.org/forums/showthread.php?tid=13176&pid=259905#pid259905 ]




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05-03-2019, 09:43 AM,
RE: Astronomy Picture of the Day (APOD)
Clouds of the Large Magellanic Cloud

[Image: photo95cielaustral1024.jpg]
https://apod.nasa.gov/apod/ap190503.html

"Explanation: The Large Magellanic Cloud (LMC) is an alluring sight in southern skies. But this deep and detailed telescopic view, over 10 months in the making, goes beyond what is visible to most circumnavigators of planet Earth. Spanning over 5 degrees or 10 full moons, the 4x4 panel mosaic was constructed from 3900 frames with a total of 1,060 hours of exposure time in both broadband and narrowband filters. The narrowband filters are designed to transmit only light emitted by sulfur, hydrogen, and oxygen atoms. Ionized by energetic starlight, the atoms emit their characteristic light as electrons are recaptured and the atoms transition to a lower energy state. As a result, in this image the LMC seems covered with its own clouds of ionized gas surrounding its massive, young stars. Sculpted by the strong stellar winds and ultraviolet radiation, the glowing clouds, dominated by emission from hydrogen, are known as H II (ionized hydrogen) regions. Itself composed of many overlapping H II regions, the Tarantula Nebula is the large star forming region at the left. The largest satellite of our Milky Way Galaxy, the LMC is about 15,000 light-years across and lies a mere 160,000 light-years away toward the constellation Dorado."

Source: APOD 2019 May 3
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05-04-2019, 08:12 AM,
RE: Astronomy Picture of the Day (APOD)
Saturn and the Da Vinci Glow

[Image: 20190202tezel_1024.jpg]

"Explanation: On February 2nd early morning risers saw Saturn near an old Moon low on the eastern horizon. On that date bright planet, sunlit crescent, and faint lunar night side were captured in this predawn skyscape from Bursa, Turkey. Of course the Moon's ashen glow is earthshine, earthlight reflected from the Moon's night side. A description of earthshine, in terms of sunlight reflected by Earth's oceans illuminating the Moon's dark surface, was written over 500 years ago by Leonardo da Vinci. On May 2nd an old Moon also rose in the predawn twilight. On that date its ashen glow shared the sky with Venus, the brilliant morning star. May 2nd also marked the 500th anniversary of Leonardo's death in 1519."

Source: APOD 2019 May 4
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05-19-2019, 09:04 PM,
RE: Astronomy Picture of the Day (APOD)
A Circumhorizontal Arc Over Ohio

[Image: circumhorizontalarc_sladoje_960.jpg]

"Explanation: Why would clouds appear to be different colors? The reason here is that ice crystals in distant cirrus clouds are acting like little floating prisms. Sometimes known as a fire rainbow for its flame-like appearance, a circumhorizon arc lies parallel to the horizon. For a circumhorizontal arc to be visible, the Sun must be at least 58 degrees high in a sky where cirrus clouds are present. Furthermore, the numerous, flat, hexagonal ice-crystals that compose the cirrus cloud must be aligned horizontally to properly refract sunlight in a collectively similar manner. Therefore, circumhorizontal arcs are quite unusual to see. This circumhorizon display was photographed through a polarized lens above Dublin, Ohio in 2009."

Source: APOD 2019 May 19
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