Starship Asterisk*

Is that Cassiopeia's W near center? Probably not near center, but Cassiopeia should be in the picture. tse20240408h14_1024[1].jpg All Sky Moon Shadow Image Credit & Copyright: Tunc Tezel (TWAN) Venus Jupiter and Cassiopeia April 2024.png Venus is in Pisces, close to the border of Aries, Jupiter...

Well I was going to ask at what point we differentiate between a star cluster and dwarf spheroidal galaxy, but thanks to the color commentary I am guessing the black hole at the center may be a factor. :idea: Some globular clusters have central black holes. I think there are at least two difference...

Well I was going to ask at what point we differentiate between a star cluster and dwarf spheroidal galaxy, but thanks to the color commentary I am guessing the black hole at the center may be a factor. :idea: I'll try to answer. Globular clusters are typically compact and small in size. https://cdn...

Wow, that's some spectacular info about tiny dwarf galaxy Leo I! :shock: But first, let's consider foreground star Regulus: Regulus_Dwarf_by_Markus_Horn1024[1].png Regulus and the Dwarf Galaxy Image Credit & Copyright: Markus Horn Regulus is the closest of all B-type stars at 79 light-years from...

I have two favorite images of NGC 604. Today's APOD is not one of them. Let's start with the Chandra portrait of NGC 604: APOD 25 April 2024 annotated.png Possible location of the Chandra bubbles in the APOD. Maybe it's just the right-hand bubble that is seen in the Chandra image. https://chandra.ha...

Yes, that's a nice APOD! I particularly like the faint blue "outer halo or nebula". Blue gas does not appear naturally in space, so we have to assume that the blue gas is green OIII emission that has been mapped as blue. https://apod.nasa.gov/apod/image/2404/DragonsEgg_Prangley_960.jpg The...

I have a couple of pictures that I think is a comet during the eclipse. I don’t know how to insert them though. There was a comet seen during the eclipse. It was a Sun-grazing comet. The comet Pons-Brooks was also seen, but farther away from the eclipsed Sun. The Sun-grazing comet is in the picture...

Salt Lake Pretty https://www.astronomy.com/picture-of-the-day/photo/salt-lake-pretty/ Credit and copyright: Abhijit Patil https://www.astronomy.com/wp-content/uploads/sites/2/2024/04/Badwater_SMW_panocopy.jpg?fit=620%2C310 This picture was published in Astronomy Magazine and chosen as Picture of th...

Hubble captures a bright galactic and stellar duo phys.org | Original release 2024 April 22 https://scx1.b-cdn.net/csz/news/800a/2024/hubble-captures-a-brig.jpg While the focus of this image is the spiral galaxy NGC 3783, the eye is equally drawn to the very bright object in the lower right part of...

MAUVE survey: Giant galactic explosion in NGC 4383 exposes galaxy pollution in action phys.org | 2024 April 21 https://scx1.b-cdn.net/csz/news/800a/2024/giant-galactic-explosi.jpg A team of international researchers studied galaxy NGC 4383, in the nearby Virgo cluster, revealing a gas outflow so la...

Yesterday the weather here in Malmö was nice, and I was out walking in the parks downtown, taking many pictures with my fairly simple mobile phone. The picture that I liked best was this one: Nyutslagna lindar kanalbåt och flanörer.jpg I liked it so much that I submitted it to a program on Swedish T...

APOD 22 April 2024 cropped.png Moon and Smoke Rings from Mt. Etna (cropped). Image Credit & Copyright: Dario Giannobile Great image ! :D But I took the liberty of editing out Mt. Etna itself to bring out the otherworldliness of the almost organic and lifelike tendrils of smoke rising from Mt. E...

NGC 3972 jac berne (flickr) STScI Mikulski Archive | Release Date 2024-04-19 18:23 https://live.staticflickr.com/65535/53669315446_4cfec79a38_b.jpg NGC 3972 is a spiral galaxy located in the northern constellation of Ursa Major. It was discovered by William Herschel on April 14, 1789.This galaxy is...

All I can say is that purple light triggers a response from both the blue-sensitive and the red-sensitive rods in our retinas. Consider this color, ███ . The (rgb) values of this particular color is, r = 123 , g = 0, and b = 222 . So purple, at least as far as our eyes are concerned, is indeed a mi...

I had no idea that NGC 3324 referred to the Keyhole Nebula. Guess I was wrong about it referring to the Gabriela Mistral Nebula. Wikipedia wrote: https://upload.wikimedia.org/wikipedia/commons/thumb/7/70/Carina_Nebula_by_Harel_Boren_%28151851961%2C_modified%29.jpg/435px-Carina_Nebula_by_Harel_Boren...

Something which perplexes me is that when I type in my brower's search engine that websites come up with different data for NGC1232 distance and size. Most webpages say 60 million light years away, 1 site said 61 million, and only APOD said 47 million light years. There was repetition of the size o...

As usual, I'm failing to place this apparent close-up in the larger image shown here: https://cdn.esahubble.org/archives/images/screen/heic0707a.jpg I'd guess it's the black V slightly to the left and downward from the center, but the angle of that V doesn't seem to match? APOD 19 April 2024 detail...

I also like microquasars with pigtails :evil: https://live.staticflickr.com/65535/53664019544_7e538f5509_b.jpg https://live.staticflickr.com/65535/53664019544_e0caf95736_o.jpg https://live.staticflickr.com/65535/53663661611_5c13ca7891_o.jpg https://www3.mpifr-bonn.mpg.de/staff/abrunthaler/m82/Radio...

I'm somewhat critical of the colors of this APOD. APOD 19 April 2024 annotated.png The Great Carina Nebula. Image Credit & Copyright: Demison Lopes Carina Nebula Harel Boren annotated.png The Great Carina Nebula. Credit: Harel Boren Harel Boren's image is an RGB one, but I don't know what filter...

https://www.wired.com/images_blogs/wiredscience/2011/01/WISE-M81-M82.jpg Clearly M82 is an unusual case, because if it wasn't, we'd see many more galaxies like it. Ann Looks like the Milky Way, Andromeda and the Triangulum but M82 the Cigar is passing through a baby boom phase right now and NGC 307...

Yes, I like it! :D https://www.eso.org/public/archives/images/screen/eso9845d.jpg https://apod.nasa.gov/apod/image/2404/NGC1232_Eye_of_God_Galaxy_fullsize_2024-03-28_1024.jpg What I particularly like about Neil Corke's portrait of NGC 1232 is that he shows us the pink emission nebulas in the arms. T...

I wonder what makes the comet get too close to the Sun ? I'd imagine gravity pull .. but then, how long it must have taken that comet to reach that stage (i mean how many times it must have made rounds around Sun and how many years it must have been doing it before finally getting too close and get...

[...] Interesting… not even the enlarged Hubble image is sharp or detailed enough for me to notice any individual clusters, especially around the part that Webb zoomed in on. But maybe that’s just me. Are you sure you aren’t comparing Hubble’s entire image to the close up from Webb? Yes. That is re...

That's all well and good, but why is this particular red dust "unexpected"? if it because most red dust is NOT associated with hot plasma? Dust is produced during "violence processes" in space. Star formation creates dust. High-mass stars create dust even during their main seque...

"shows, unexpectedly, that this red-glowing dust is associated with hot plasma." Is it unexpected because there is plasma inside stars, but this is plasma dust in between stars, as if chunks of plasma were blown out of stars? Plasma is just highly ionized gas. That is, a mix of neutral at...