Search found 136 matches
- Sat Mar 30, 2024 2:16 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Medieval Astronomy from Melk Abbey (2024 Mar 30)
- Replies: 10
- Views: 1620
Re: APOD: Medieval Astronomy from Melk Abbey (2024 Mar 30)
The geocentric universe was not an inherently religious perspective unless you're willing to accept the fact that nearly everyone was "religious" in some way throughout Antiquity. Atheism was not really a thing. The geocentric universe was not religious. It was the de facto understanding o...
- Tue Nov 28, 2023 4:58 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Stereo Jupiter near Opposition (2023 Nov 24)
- Replies: 10
- Views: 18323
Re: APOD: Stereo Jupiter near Opposition (2023 Nov 24)
Thanks for the help everyone! I got it to work!
- Fri Nov 24, 2023 2:45 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Stereo Jupiter near Opposition (2023 Nov 24)
- Replies: 10
- Views: 18323
Re: APOD: Stereo Jupiter near Opposition (2023 Nov 24)
The two images are too far apart. I can't bring them together. ![Sad :(](./images/smilies/icon_sad.gif)
![Sad :(](./images/smilies/icon_sad.gif)
- Tue Jun 07, 2022 1:26 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Milky Way Galaxy Doomed: Collision... (2022 Jun 06)
- Replies: 19
- Views: 3638
Re: APOD: Milky Way Galaxy Doomed: Collision... (2022 Jun 06)
Gravity is enough! The problem is that planetary systems are inherently chaotic in their orbital dynamics. Once you get a star inside a light year or so of another, their planetary systems are likely to be perturbed, and it doesn't take much to shift a planet with life on it into an orbit that is i...
- Mon Jun 06, 2022 1:15 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Milky Way Galaxy Doomed: Collision... (2022 Jun 06)
- Replies: 19
- Views: 3638
Re: APOD: Milky Way Galaxy Doomed: Collision... (2022 Jun 06)
The step by billion-year-step toward full collision is really interesting in the link given. The idea of an eventual collision is a fascinating one, if only because of the likelihood that there won't be any direction physical collision, only gravitational interactions. (And the mountains in silhouet...
- Mon May 02, 2022 3:05 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: First Horizon-Scale Image of a Black... (2022 May 01)
- Replies: 11
- Views: 6314
Re: APOD: First Horizon-Scale Image of a Black... (2022 May 01)
es, I've read it's still in development stages, but I didn't see a planned date. There are more telescopes joining in, I presume for more data to help with resolution and fidelity. Back when M87 was imaged, they knew that the MW BH is harder to image. I can't remember the details, but I believe the...
- Sun Apr 24, 2022 7:34 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Split the Universe (2022 Apr 24)
- Replies: 17
- Views: 5282
Re: APOD: Split the Universe (2022 Apr 24)
I don't like cats much, but I've had the cute living kitten every time. I was starting to question whether or not there was a dead cat possibility at all. As an animal lover in general and cat lover in particular I found so-cslled astronomy picture of the day most disagreeable, disgusting and contem...
- Tue Apr 05, 2022 1:45 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Seven Sisters versus California (2022 Apr 05)
- Replies: 4
- Views: 5102
Re: APOD: Seven Sisters versus California (2022 Apr 05)
The Pleiades wins every time! It's my favorite star cluster. (But the California Nebula is also very lovely.)
One of my friends made me a picture because of how much I love it.
One of my friends made me a picture because of how much I love it.
- Sat Mar 26, 2022 2:27 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Pluto at Night (2022 Mar 26)
- Replies: 13
- Views: 6243
Re: APOD: Pluto at Night (2022 Mar 26)
Every time I see a picture of Pluto, I'm blown away by it. I grew up with Pluto being mostly a big question mark and I never thought that would change. To see these up close images is just so amazing. I'm taking my students on a tour of the solar system next week and I always show the pictures we ha...
- Sat Mar 19, 2022 2:37 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: 2MASS J17554042+6551277 (2022 Mar 19)
- Replies: 30
- Views: 16347
Re: APOD: 2MASS J17554042+6551277 (2022 Mar 19)
I had a friend ask me about the background galaxies on the left side of the image. She was wondering if there was gravitational lensing happening there. I said I don't think so because I didn't think there was any distortion like I'd expect from lensing. Am I right? I know there are plenty of people...
- Tue Mar 08, 2022 2:42 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Moon in Inverted Colors (2022 Mar 08)
- Replies: 9
- Views: 2886
Re: APOD: Moon in Inverted Colors (2022 Mar 08)
As I was scrolling down to see the description, I was thinking, "What have they done to the Moon? The colors look all wrong." Then, I read "inverted-color negative" and it was all clear. I've never seen the Moon this way. It's really interesting. It almost gives the maria a metal...
- Sun Feb 20, 2022 1:54 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Peculiar Galaxies of Arp 273 (2022 Feb 19)
- Replies: 22
- Views: 21655
Re: APOD: Peculiar Galaxies of Arp 273 (2022 Feb 19)
Original photographer here! First, thanks so much to the APOD team for the consideration and feature. I'll try to address some of the questions regarding my image. First, in regards to the star that's been confused with another galactic core, the reason it looks so much different than the Hubble im...
- Sat Feb 19, 2022 3:30 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Peculiar Galaxies of Arp 273 (2022 Feb 19)
- Replies: 22
- Views: 21655
Re: APOD: Peculiar Galaxies of Arp 273 (2022 Feb 19)
"the bright cores" There are just two galactic cores, are not they? Arp 273.png That is exactly what I was going to ask. I'm glad that it's already been asked and answered! That's a beautiful image today. So in the two pictures that Ann provided, it seems obvious that the other blob was a...
- Sun Nov 28, 2021 3:54 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A High Cliff on Comet... (2021 Nov 28)
- Replies: 13
- Views: 4176
Re: APOD: A High Cliff on Comet... (2021 Nov 28)
Yikes! Survivable or not, I don't know that I could bring myself to jump off a cliff.and even a jump from the cliff survivable.
![Shocked :shock:](./images/smilies/icon_eek.gif)
- Wed Nov 24, 2021 2:03 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Pleiades: The Seven Sisters Star Cluster (2021 Nov 24)
- Replies: 12
- Views: 12500
Re: APOD: Pleiades: The Seven Sisters Star Cluster (2021 Nov 24)
A little trivia… The logo for Subaru cars is a highly stylized Pleiades cluster! http://s3.amazonaws.com/s3.timetoast.com/public/uploads/photos/10708911/3a5ef95eaa68c51be379d66f6cb1c936--subaru-forester-subaru-brz.jpg?1506973174 Eric Which is one of the reasons why I chose to buy a Subaru. :D
- Sun Nov 14, 2021 3:53 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: How to Identify that Light in the Sky (2021 Nov 14)
- Replies: 26
- Views: 14701
Re: APOD: How to Identify that Light in the Sky (2021 Nov 14)
Torn between thinking "UFO" should be included, and relieved that it was not! :roll: Of couse APOD is thoroghly professional, but it is likely true that some sporadic "lights in the sky" originating in the atmosphere are not identified. They're all UFOs until your path through t...
- Tue Nov 09, 2021 2:54 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: All of These Space Images are Fake... (2021 Nov 09)
- Replies: 22
- Views: 13437
Re: APOD: All of These Space Images are Fake... (2021 Nov 09)
The question here is then - what makes a 'fake' image in astronomy ? Of course, these images aren't really "fake", any more than a painting of a landscape is "fake" in comparison with a photograph. They are is synthesized images that realistically represent an assortment of astr...
- Tue Nov 02, 2021 1:33 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: SN Requiem: A Supernova Seen Three... (2021 Nov 02)
- Replies: 12
- Views: 4452
Re: APOD: SN Requiem: A Supernova Seen Three... (2021 Nov 02)
That is absolutely fascinating. I didn't even know we could predict when and where new images would show up, not even with a margin of two years. I hadn't thought about lensing images changing over time. I definitely learned something new today.
- Sun Oct 10, 2021 2:48 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Full Moon Silhouettes (2021 Oct 10)
- Replies: 10
- Views: 3654
Re: APOD: Full Moon Silhouettes (2021 Oct 10)
A beautiful video. I think I remember seeing it before. Regardless, well worth seeing again.
- Thu Sep 02, 2021 1:28 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: M51: The Whirlpool Galaxy (2021 Sep 02)
- Replies: 19
- Views: 3920
Re: APOD: M51: The Whirlpool Galaxy (2021 Sep 02)
Find the Big Dipper[/url] and follow the handle away from the dipper's bowl until you get to the last bright star. Then, just slide your telescope a little south and west and you'll come upon this stunning pair of interacting galaxies, the 51st entry in Charles Messier's famous catalog. You don't e...
- Sun Aug 29, 2021 3:08 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Solar System Ball Drop (2021 Aug 25)
- Replies: 38
- Views: 102690
Re: APOD: Solar System Ball Drop (2021 Aug 25)
Now, they need to make another one with balls dropping to other types of objects like onto a neutron star or something. :) I read a description once that a marshmallow would hit the surface of a neutron star with the force an H-bomb. An A-bomb not an H-bomb. 1 regular marshmallow weighs 7 grams or ...
- Sun Aug 29, 2021 3:07 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Orbits of Potentially Hazardous... (2021 Aug 29)
- Replies: 22
- Views: 7435
Re: APOD: Orbits of Potentially Hazardous... (2021 Aug 29)
That pic is proof we need to be doing more to track ,deflect or destroy any of those that may hit us today or tomorrow. Great post. We already know what to do. We just need to send Bruce Willis into space to set off a nuke. Nukes fix everything. :) More seriously, this is an interesting amalgam of ...
- Wed Aug 25, 2021 1:24 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Solar System Ball Drop (2021 Aug 25)
- Replies: 38
- Views: 102690
Re: APOD: Solar System Ball Drop (2021 Aug 25)
I love this video! I think I need to use it in my class when I talk about gravity. It's a vivid example of how it works on bodies of different masses. Now, they need to make another one with balls dropping to other types of objects like onto a neutron star or something. :) I read a description once ...
- Tue Aug 24, 2021 1:47 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: PDS 70: Disk, Planets, and Moons (2021 Aug 24)
- Replies: 10
- Views: 6765
Re: APOD: PDS 70: Disk, Planets, and Moons (2021 Aug 24)
This is really amazing. I still remember when I read an article about the first five exoplanets ever discovered, all several times larger than Jupiter. I can't believe how much more we have seen since then.
- Wed Aug 18, 2021 1:14 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Rings Around the Ring Nebula (2021 Aug 18)
- Replies: 13
- Views: 4875
Re: APOD: Rings Around the Ring Nebula (2021 Aug 18)
Gather ye rosebuds while ye may
Old time is still a-flying
And this same flower that smiles today
Tomorrow will be dying.
Old time is still a-flying
And this same flower that smiles today
Tomorrow will be dying.