Search found 85 matches
- Mon Dec 02, 2019 8:36 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Mercury Crosses a Quiet Sun (2019 Dec 02)
- Replies: 14
- Views: 4012
Re: APOD: Mercury Crosses a Quiet Sun (2019 Dec 02)
Why does it always seem to skip and hop across the sun? Is it just lost images?
- Sat Oct 19, 2019 8:00 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: All Female Spacewalk Repairs Space... (2019 Oct 19)
- Replies: 19
- Views: 13116
Re: APOD: All Female Spacewalk Repairs Space... (2019 Oct 19)
Looking forward to the day when this will just be 'meh'. It wont be a great leap forward for women, it will be a leap forward for the men who currently dont like it,
- Sat Oct 12, 2019 10:07 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Interplanetary Earth (2019 Oct 12)
- Replies: 18
- Views: 10258
Re: APOD: Interplanetary Earth (2019 Oct 12)
I've never seen that big arrow?
- Fri May 24, 2019 7:13 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Boulders on Bennu (2019 May 24)
- Replies: 22
- Views: 13741
Re: APOD: Boulders on Bennu (2019 May 24)
I guess there is some relationship with the G at the surface of an object to the minimum size of pebble/dust it can hold, along with perihelion too!
- Thu Apr 18, 2019 8:01 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Leo Trio (2019 Apr 18)
- Replies: 12
- Views: 4575
Re: APOD: The Leo Trio (2019 Apr 18)
NGC 3628 just needs putting on its side to stop all the stars leaking out.
- Wed Feb 27, 2019 8:16 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Magnetic Orion (2019 Feb 27)
- Replies: 12
- Views: 4007
Re: APOD: Magnetic Orion (2019 Feb 27)
Just a typo "l300 light years"
- Mon Oct 01, 2018 7:15 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The First Rocket Launch from Cape... (2018 Oct 01)
- Replies: 24
- Views: 8908
Re: APOD: The First Rocket Launch from Cape... (2018 Oct 01)
The WAC has no attitude control (Without Attitude Control) so presumably the V-2 would need to spin somewhat before releasing the 2nd Stage as there would be nothing to keep it pointing in the right direction.
Anyone know anything about this?
Anyone know anything about this?
- Fri Sep 07, 2018 7:36 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Saturn's North Polar Hexagon (2018 Sep 07)
- Replies: 16
- Views: 3013
Re: APOD: Saturn's North Polar Hexagon (2018 Sep 07)
Is it a hurricane or is it an anti-cyclone driven by the cold gas falling down the central hole towards the centre of the planet?
- Wed Jul 18, 2018 8:23 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Dark Slope Streaks Split on Mars (2018 Jul 18)
- Replies: 27
- Views: 7512
Re: APOD: Dark Slope Streaks Split on Mars (2018 Jul 18)
Having spent many happy hours playing with sand and dust in various forms I would put money on this being dry dust/sand. It would be nice to see the origin of the flow more clearly but the tendency to follow new paths suggests the flow settles on the surface like lava so forcing the later flows to f...
- Tue Jan 09, 2018 6:28 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Bright Planetary Nebula NGC 7027... (2018 Jan 09)
- Replies: 230
- Views: 152282
Re: APOD: Bright Planetary Nebula NGC 7027... (2018 Jan 09)
"Mermaids Purse' - for dogfish or skates egg sacks.
- Sun Dec 24, 2017 9:13 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: SpaceX Rocket Launch Plume over... (2017 Dec 24)
- Replies: 21
- Views: 15418
Re: APOD: SpaceX Rocket Launch Plume over... (2017 Dec 24)
So what is (or what causes) the central blob about a 1/3rd the way down the main plume?
- Thu Oct 05, 2017 8:01 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Pluto's Bladed Terrain (2017 Oct 05)
- Replies: 9
- Views: 5196
Re: APOD: Pluto's Bladed Terrain (2017 Oct 05)
I walked the high moors in the UK in very cold weather. You often come across blades of ice like those mentioned. Close examination shows they have not been formed by sublimation but by condensation - at the heart of each one was a blade of grass. As it was something I was familiar with since childh...
- Thu Jun 29, 2017 7:16 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Symbiotic R Aquarii (2017 Jun 29)
- Replies: 13
- Views: 5846
Re: APOD: Symbiotic R Aquarii (2017 Jun 29)
Just wondering if there would be anything in the geological record for this - would we have received enough gamma rays from the nova to leave a trace?
- Sat Jun 03, 2017 8:02 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Perijove Passage (2017 Jun 03)
- Replies: 10
- Views: 3233
Re: APOD: Perijove Passage (2017 Jun 03)
I hope they have some taken close enough together to allow a 3D view into the clouds.
- Thu Jan 26, 2017 8:26 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: GOES-16: Moon over Planet Earth (2017 Jan 26)
- Replies: 12
- Views: 5392
Re: APOD: GOES-16: Moon over Planet Earth (2017 Jan 26)
This may sound like a joke but it really isnt:
Soon these pictures will be kept from the public domain because they show weather and will be 'audited' by Trump.
Soon these pictures will be kept from the public domain because they show weather and will be 'audited' by Trump.
- Wed Aug 31, 2016 7:18 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Annular Solar Eclipse over New Mexico (2016 Aug 31)
- Replies: 12
- Views: 4077
Re: APOD: Annular Solar Eclipse over New Mexico (2016 Aug 31)
I normally get all OCD about astonomical pictures with 'oomans in them but that is a cracker of a shot.
- Tue Aug 23, 2016 8:14 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Gigantic Jet Lightning over China (2016 Aug 23)
- Replies: 40
- Views: 14325
Re: APOD: Gigantic Jet Lightning over China (2016 Aug 23)
Is the dotted streak (bottom left by the cloud top) a satellite or a spinning perseid?
- Mon Apr 18, 2016 7:19 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The ISS over Earth (2016 Apr 18)
- Replies: 6
- Views: 2887
Re: APOD: The ISS over Earth (2016 Apr 18)
I notice the solar panels are not all pointing in the same direction. Is this to help control generation to match demand or are the being used like solar sails to guide the craft?
- Sat Apr 16, 2016 5:43 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Heliopause Electrostatic Rapid... (2016 Apr 16)
- Replies: 21
- Views: 4213
Re: APOD: Heliopause Electrostatic Rapid... (2016 Apr 16)
I doubt any alien will be able to understand the message written on the wires.
- Sat Feb 20, 2016 6:35 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Where Your Shadow Has Company (2016 Feb 20)
- Replies: 27
- Views: 3744
Re: APOD: Where Your Shadow Has Company (2016 Feb 20)
A quick blast on a ray tracer will show Mr Russel to be largely correct.
- Thu Feb 11, 2016 2:05 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: LIGO Detects Gravitational Waves (2016 Feb 11)
- Replies: 115
- Views: 28435
Re: APOD: APOD Place Holder (2016 Feb 11)
Glad you asked... 11:00 am Eastern Time is 9:00 am in Utah.rstevenson wrote:phlloydl wrote:So what is "11:00 am Eastern Tome" in UT, please?
1856
- Sat Dec 19, 2015 5:21 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Herbig-Haro 24 (2015 Dec 18)
- Replies: 30
- Views: 8758
Re: APOD: Herbig-Haro 24 (2015 Dec 18)
I've seen a few of these jets and one thing strikes me - one jet is often more linear and better defined than the other. Is this because they are electrically polarised and one consists of electrons and negatively charged ions and is more easily disrupted and the other is positive ions and so less e...
- Tue Oct 20, 2015 5:45 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: When Black Holes Collide (2015 Oct 20)
- Replies: 74
- Views: 7777
Re: APOD: When Black Holes Collide (2015 Oct 20)
A study of a few years ago of Jupiter showed that gravitational effects travel at c. Near a black hole c is approaching 0 to an outside observer so any gravitational radiation caused by the coalescing will be observed at the same time as the event horizon - ie never.
- Fri Sep 18, 2015 9:33 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Plutonian Landscape (2015 Sep 18)
- Replies: 44
- Views: 5436
Re: APOD: A Plutonian Landscape (2015 Sep 18)
At that low angle, those mountains strongly resembles busted and stacked Arctic pack ice, oh...wait a minute...it is ice I think it is - the more I see this the more I am convinced that the flat bit is in fact a frozen crater lake and the three lobes around it are stuff splashed out from some impac...
- Sun Aug 02, 2015 7:45 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Apollo 17 at Shorty Crater (2015 Aug 02)
- Replies: 23
- Views: 7315
Re: APOD: Apollo 17 at Shorty Crater (2015 Aug 02)
CGI was so much better in those days.