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Astronomical sightings thread


Kragar

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  • 2 weeks later...

An excerpt from an article wherein William Shatner talks about his experience on his voyage into space on Jeff Bezos’ Blue Origin space shuttle:

 

https://variety.com/2022/tv/news/william-shatner-space-boldly-go-excerpt-1235395113/?ftag=CAD-03-10abj4f

 

I continued my self-guided tour and turned my head to face the other direction, to stare into space. I love the mystery of the universe. I love all the questions that have come to us over thousands of years of exploration and hypotheses. Stars exploding years ago, their light traveling to us years later; black holes absorbing energy; satellites showing us entire galaxies in areas thought to be devoid of matter entirely… all of that has thrilled me for years… but when I looked in the opposite direction, into space, there was no mystery, no majestic awe to behold . . . all I saw was death.

 

I saw a cold, dark, black emptiness. It was unlike any blackness you can see or feel on Earth. It was deep, enveloping, all-encompassing. I turned back toward the light of home. I could see the curvature of Earth, the beige of the desert, the white of the clouds and the blue of the sky. It was life. Nurturing, sustaining, life. Mother Earth. Gaia. And I was leaving her.

 

Everything I had thought was wrong. Everything I had expected to see was wrong.

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  • 2 weeks later...

I have it on good authority that this photo was taken immediately after the Bills victory over the Packers B)

 

image.jpeg.b24941b4571628a19d26790252fef13b.jpeg

 

Of course, this was right around the time the Leafs were losing to the Ducks, so there could be multiple explanations.....

Edited by RUPERTKBD
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2 hours ago, RUPERTKBD said:

I have it on good authority that this photo was taken immediately after the Bills victory over the Packers B)

 

image.jpeg.b24941b4571628a19d26790252fef13b.jpeg

 

Of course, this was right around the time the Leafs were losing to the Ducks, so there could be multiple explanations.....

Please.   The sun is a star.  The picture was taken after the Cowboys/Bears game.

 

image.png.fc37e039a5364603fc02c84e11b85781.png

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  • 3 weeks later...

https://www.cnet.com/science/space/what-is-artemis-i-breaking-down-the-major-moon-mission-nasa-just-launched/?ftag=CAD-04-10aac3a

 

What Is Artemis I? Breaking Down the Major Moon Mission NASA Just Launched

 

All things considered, Artemis I is such a big deal because the success of this mission will dictate the timeline for NASA's sci-fi moon objectives.

 

You can think of Artemis I as an extremely high-stakes precursor to everything that comes next for American lunar exploration, founded on everything that came before. 

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Mysterious object shines 570 billion times more powerful than the Sun

16.08.2022 
 

Billions of light-years away, a huge ball of incandescent gas has been discovered, which is brighter than hundreds of billions of Suns. It’s hard to imagine anything like that. This object is so bright that it is very difficult for astronomers to find a way to describe it.
 

The most interesting thing is that scientists are not completely sure of the true nature of this object. But they have several theories.

0a2065f6f63a8198dea853b5057dcde2.jpgllustration of the Markarian 335 object

At first, it was assumed that the bright object ASASSN-15lh could be a very rare type of supernova remnant known as a magnetar. But its dimensions contradict the very laws of physics. As explained by Krzysztof Stanek, a professor of astronomy at Ohio State University, if there was a brightness power scale from 1 to 10, then this object would shine with a power of 11, which is simply impossible and goes beyond any existing limiting units of measurement.

 

The object was first detected by the Worldwide Automatic Supernova Survey (ASAS-SN), which is a small network of telescopes used to detect bright objects in the universe. Despite the fact that this object is extremely bright, it is impossible to see it with the naked eye, since it is located at a distance of 3.8 billion light years.

Attempt to explain the nature of ASASSN-15lh

Since 2014, ASAS-SN has detected almost 250 supernovae. However, the discovery of ASASSN-15lh stands out for its absolute power. A supernova is 200 times more powerful than a normal one, 570 billion times brighter than the Sun and 20 times brighter than all the stars together in the Milky Way.

 

Todd Thompson, a professor of astronomy at Ohio State, has one hypothesis. A supernova could create an extremely rare type of star called a millisecond magnetar. It rotates so fast that it generates an incredibly powerful magnetic field. But to have such brightness, this rare magnetar must rotate at least 1000 times per second and turn all this rotational energy into light with almost 100 percent efficiency. But Krzysztof Stanek believes that this is still the center of an active galaxy with a supermassive black hole.

 

In the future, the Hubble Space Telescope will try to solve this mystery, allowing astronomers to examine this object in detail.

 

********

570 billion times brighter than our Sun. Yet is so far away it cannot be seen with the naked eye. 
 

image.jpeg.67d62e98c8958dc643364b9c854b796f.jpeg

Edited by nuckin_futz
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3 hours ago, RUPERTKBD said:

In case anyone is interested, the ESA is currently beaming back live images from their Mars Orbiter.....(okay, "live" plus the almost 17 minutes it takes to get here)

 

 

ESA are a bunch of scrubs, can't even make probes that send signals faster than light speed.

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