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All Things Astronomy

Like NPR "All Things Considered" with a focus on astronomy and space topics to include... literally any object or phenomenon above Earth's atmosphere. (PLEASE abstain from posting anything about astrology)

Like NPR "All Things Considered" with a focus on astronomy and space topics to include... literally any object or phenomenon above Earth's atmosphere. (PLEASE abstain from posting anything about astrology)

Join Group 731 Members 424 Photos

Posts Tagged "stars" By Hathacat (178) Posts by anyone

Posts
Jul 4, 2022Jul 2022

Posted by euG5555
Einstein explained gravity over one hundred years ago: He said it was warped space-time and told where to look for it, the bending of light in a gravitational field. He explained the bending of light was caused by space rising from the surface of the...
2 comments
Posts
Jun 9, 2022Jun 2022

Posted by euG5555
Push Gravity Sir Issac Newton said that space moves through matter freely without friction. By moving through space, you experience momentum, change in momentum lags behind the change in velocity. The momentum of an object applies pressure on the ...
0 comments
Posts
Jun 9, 2022Jun 2022

Posted by euG5555
Sir Issac Newton said that space moves through matter freely without friction. By moving through space, you experience momentum, change in momentum lags behind the change in velocity. The momentum of an object applies pressure on the object stopping ...
0 comments
Posts
Dec 20, 2021Dec 2021

Posted by euG5555
IEugene Bunt Studied Laser Technology at Schoolcraft CollegeUpdated Nov 22 What is the substance of spacetime? Einstein explained gravity over one hundred years ago: He said it was warped space-time and told where to look for it, the bending of light...
1 comment
Posts
Oct 17, 2021Oct 2021

Posted by euG5555
Einstein explained gravity over one hundred years ago: He said it was warped space-time and told where to look for it, the bending of light in a gravitational field. He explained the bending of light was caused by space rising from the surface of the...
1 comment
All Things Astronomy
May 10, 2021May 2021

Posted by levan
Our observable universe is 13.8 billion years old. It’s about 93 billion light years in diameter. It contains at least 200 billion galaxies and over 700 quintillion planets. As of now, over 4,300 exoplanets has been confirmed. They’re called ...
2 comments
All Things Astronomy
Feb 5, 2021Feb 2021

Posted by OleBlueEyes
Universe Photonic Storage Effect... I assert most light emitted by all stars that have ever existed is still traveling thru "empty space"?
3 comments
All Things Astronomy
Feb 1, 2021Feb 2021

Posted by starwatcher-al
Hubble deep field. The Hubble Ultra Deep Field (in its eXtreme version) is the deepest view of the universe yet obtained … and will be, until JADES takes over. It stretches approximately 13 billion light-years and includes approximately...
3 comments
All Things Astronomy
Dec 12, 2020Dec 2020

Posted by Hathacat
When radiation and winds from massive stars impact clouds of cool gas, they can trigger new generations of stars to form. This is likely what's happening in this object, a region of the Elephant's Trunk Nebula
2 comments
All Things Astronomy
Nov 16, 2020Nov 2020

Posted by starwatcher-al
December will be a busy month. SKIES OF ARIZONA by Al Schober Ok, it's December and it's supposed to be cold. But the year 2020 has been anything but normal in so many ways. As I am writing this in mid November it's 70 degrees during the day so all...
1 comment
All Things Astronomy
Sep 18, 2020Sep 2020

Posted by EdEarl
SpaceX is being criticised by astronomers for the Starlink constellation of communication satellites, and rightly so. On the other hand, SpaceX is rapidly developing a two stage rocket that's 9 meters in diameter and capable of putting 100 tons of ...
0 comments
All Things Astronomy
Aug 23, 2020Aug 2020

Posted by yvilletom
The stars near the edges of spiral galaxies revolve with the same angular velocity as stars close to their centers. Newtonian theory, which explains our solar system well, ...
1 comment
All Things Astronomy
Jul 22, 2020Jul 2020

Posted by Amzungu
LINK'First' Māori astronomy school in the modern era opens in Bay of Plenty
1 comment
All Things Astronomy
May 15, 2020May 2020

Posted by starwatcher-al
I never though to do this but, I write a star column for a local landowners association and am posting it here. It's bi-monthly and if I get a few likes I'll post every time I write it. I hope you find it interesting ...
2 comments
All Things Astronomy
May 13, 2020May 2020

Posted by starwatcher-al
Science/Nerd alert: Apparently all the text books and the other sources which we have read over our life about how gold is formed was wrong. Just a few nights ago we were watching "How the universe works" and how a few years ago many of our ...
3 comments
All Things Astronomy
May 10, 2020May 2020

Posted by yvilletom
Electric Star Birth Stephen Smith May 8, 2020 Stars do not follow the course that conventional understanding demands. Stars are not born in clouds of gas far less dense than a puff of smoke. They are not balls of hot gas, they are composed of ...
1 comment
Shared from Academic (e.g., Science)
Mar 23, 2020Mar 2020

Posted by yvilletom
Ordered Chaos Stephen Smith March 16, 2020 Heliophysicists remain baffled by many aspects of the Sun’s behavior, because they do not completely apprehend its electrical component. The mainstream journal’s content reveals this lack in several ...
5 comments
Shared from Academic (e.g., Science)
Dec 22, 2019Dec 2019

Posted by yvilletom
The Electric Reality — Briefly Electric Universe cosmology is based on electrically charged bodies embedded in a charged plasma. Plasma is a gas in which electrons have been removed from some of the atoms—in short the gas is ionized. Like a ...
1 comment
All Things Astronomy
Aug 17, 2019Aug 2019

Posted by ToolGuy
Oldest stars in our galaxy. Article about collision and how we know.
1 comment
All Things Astronomy
Aug 1, 2019Aug 2019

Posted by Hathacat
When you see it with your unaided eye, Omega Centauri looks like a fuzzy, faint star. But it is, in fact, a collection of 10 million stars.
3 comments
All Things Astronomy
Jul 13, 2019Jul 2019

Posted by Hathacat
Did you know Scorpio used to be even bigger? His claws used to be what is now Libra the scales. The Scorpion in the sky and in mythology. Scorpius the Scorpion – the southernmost constellation of the Zodiac – is a major showpiece of the starry ...
3 comments
All Things Astronomy
May 4, 2019May 2019

Posted by Lukian
She's a beaute Hubble spots drop-dead gorgeous spiral galaxy tucked into Leo The European Space Agency calls this galaxy "a perfect spiral specimen." Next time you glance up at the constellation Leo draped across the night sky, ...
0 comments
All Things Astronomy
May 4, 2019May 2019

Posted by Lukian
Are these events that common? I understand that colliding massive objects may appear as common when considering light=gravity speed, distance, the time of the event and the size of the universe but still, one event a week? ...
2 comments
All Things Astronomy
Apr 26, 2019Apr 2019

Posted by Lukian
Astronomers Just Detected The Universe Is Expanding Much Faster Than It Should Be The latest measurement of the expansion rate of the Universe is in, and it has confirmed with more certainty than ever that we have a real dilly of...
2 comments
All Things Astronomy
Apr 8, 2019Apr 2019

Posted by VineetHonkan
I have a question (for the astronomers/astrophysicists, as well as biologists out there). Gravity affects density. That can be seen only (?) on the large scale (neutron stars, pulsars, black holes etc). This affect is brought about through pressure....
4 comments

Photos 424 More

Posted by starwatcher-alThe occultation of Mars on the 7th.

Posted by starwatcher-alThe occultation of Mars on the 7th.

Posted by starwatcher-alSolar minimum was in 2019 so the sun is ramping up in flares, spots and prominences.

Posted by starwatcher-alI missed the early phases of the eclipse but the clouds mostly left during totality. All in all a great eclipse. Next one is Nov. 8-22

Posted by starwatcher-alI missed the early phases of the eclipse but the clouds mostly left during totality. All in all a great eclipse. Next one is Nov. 8-22

Posted by RobecologyFor those following the JWST.

Posted by AnonySchmoose The post-launch set-up of the new James Webb telescope has gone very well.

Posted by HumanistJohnImages taken with Stellina (80 mm): M33 Triangulum Galaxy M1 Crab Nebula NGC281 Pacman Nebula in Cassiopeia NGC 6992 Veil Nebula in Cygnus

Posted by HumanistJohnImages taken with Stellina (80 mm): M33 Triangulum Galaxy M1 Crab Nebula NGC281 Pacman Nebula in Cassiopeia NGC 6992 Veil Nebula in Cygnus

Posted by HumanistJohnImages taken with Stellina (80 mm): M33 Triangulum Galaxy M1 Crab Nebula NGC281 Pacman Nebula in Cassiopeia NGC 6992 Veil Nebula in Cygnus

Posted by HumanistJohnImages taken with Stellina (80 mm): M33 Triangulum Galaxy M1 Crab Nebula NGC281 Pacman Nebula in Cassiopeia NGC 6992 Veil Nebula in Cygnus

Posted by HumanistJohnImages taken October 2nd 2021 with Stellina 1.

Posted by HumanistJohnImages taken October 2nd 2021 with Stellina 1.

Posted by HumanistJohnImages taken October 2nd 2021 with Stellina 1.

Posted by starwatcher-al Did you know that you can see Venus in the daytime?

Posted by starwatcher-alOne of these days I think that I'll figure out this Nikon.
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