Astronomy Picture of the Day

Discuss celestial objects and phenomena outside the Earth's atmosphere, Earth-launched satellites and exploratory missions, etc....

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Re: Astronomy Picture of the Day

#5321  Postby i have no avatar » Sep 09, 2021 4:21 am

2021 September 9: M16 Cose Up
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Re: Astronomy Picture of the Day

#5322  Postby i have no avatar » Sep 10, 2021 4:24 am

2021 September 10: Rosetta's Comet in View
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Re: Astronomy Picture of the Day

#5323  Postby i have no avatar » Sep 11, 2021 4:24 am

2021 September 11: Saturn at Night
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Re: Astronomy Picture of the Day

#5324  Postby i have no avatar » Sep 12, 2021 4:18 am

2021 September 12: A Spiral Aurora over Iceland
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Re: Astronomy Picture of the Day

#5325  Postby i have no avatar » Sep 13, 2021 4:13 am

2021 September 13: Night Sky Reflected
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Re: Astronomy Picture of the Day

#5326  Postby i have no avatar » Sep 14, 2021 4:13 am

2021 September 14: Mars Panorama 360 from Curiosity

Note: If desired, click on the image to remove the horizontal compression. Click again to zoom and pan.
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Re: Astronomy Picture of the Day

#5327  Postby i have no avatar » Sep 15, 2021 4:59 am

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Re: Astronomy Picture of the Day

#5328  Postby i have no avatar » Sep 16, 2021 4:09 am

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Re: Astronomy Picture of the Day

#5329  Postby i have no avatar » Sep 17, 2021 4:32 am

2021 September 17 - Video: Flash on Jupiter

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Re: Astronomy Picture of the Day

#5330  Postby i have no avatar » Sep 18, 2021 4:13 am

2021 September 18: Rubin's Galaxy
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Re: Astronomy Picture of the Day

#5331  Postby i have no avatar » Sep 19, 2021 4:15 am

2021 September 19: Rings and Seasons of Saturn
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Re: Astronomy Picture of the Day

#5332  Postby i have no avatar » Sep 20, 2021 4:32 am

2021 September 20: Lynds Dark Nebula 1251
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Re: Astronomy Picture of the Day

#5333  Postby i have no avatar » Sep 21, 2021 4:11 am

2021 September 21: Sun Spot Hill
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Re: Astronomy Picture of the Day

#5334  Postby newolder » Sep 21, 2021 11:36 am

i have no avatar wrote:2020 February 23: Illustris Simulation of the Universe

(video)


Simulation update from Japan - the Uchuu project. 100x more "particles" than Illustris - "2 trillion". No A few videos of the data are available but there are calculation bottlenecks. Access to the data is available through a Monthly Notices link and a very slow to load nao.ac.jp website link
"Largest Virtual Universe Free for Anyone to Explore
September 10, 2021"...


Also, discussed in an Anton Petrov, "Wonderful person", tube:

I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops. - Stephen J. Gould
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Re: Astronomy Picture of the Day

#5335  Postby i have no avatar » Sep 22, 2021 4:41 am

2021 September 22: Equinox on a Spinning Earth

(video)

Damn, I can't wait for the Sun to go south of the celestial equator. It was hot as hell yesterday. Got some relief from the "cool front" today, but it is expected to warm up again here in the DFW area.

The screenshot below was taken at the time of this post (Sun still a bit too north).

decl_sun_2021_sep_21.JPG
decl_sun_2021_sep_21.JPG (46.82 KiB) Viewed 138 times
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Re: Astronomy Picture of the Day

#5336  Postby i have no avatar » Sep 23, 2021 4:33 am

2021 September 23: Harvest Moon Trail
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Re: Astronomy Picture of the Day

#5337  Postby i have no avatar » Sep 24, 2021 4:09 am

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Re: Astronomy Picture of the Day

#5338  Postby i have no avatar » Sep 25, 2021 4:12 am

2021 September 25: The Bubble and the Star Cluster

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Re: Astronomy Picture of the Day

#5339  Postby i have no avatar » Sep 26, 2021 4:11 am

2021 September 26: The Red Square Nebula
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Re: Astronomy Picture of the Day

#5340  Postby newolder » Sep 26, 2021 10:54 am

^ The 2007, "twin cone" analysis by Peter Tuthill and his Univ. of Sydney team is summarised here
I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops. - Stephen J. Gould
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