Posts by Seb

by Seb
16.10.2013, 15:09
Forum: Development
Topic: Star accuracy
Replies: 1
Views: 1270

Star accuracy

I always prefered Celestia because it has always proved accurate in the past; however, I was reading about Barnard's star, and compared it to Celestia. Positions were so far off I can not recognize the same pattern of stars surround it. http://en.wikipedia.org/wiki/Barnard's_Star Also, This star is ...
by Seb
10.01.2011, 21:55
Forum: Development
Topic: desktop wallpaper!
Replies: 1
Views: 3225

desktop wallpaper!

I've just seen the popular app 'Living earth' on the ipad, which is basically just showing the earth in 3D while keeping the cloud data up-to-date, and also, does show time/weather for specific cities on the screen. But no-one has done this on PC yet. Just wondered if someone could hack desktop scre...
by Seb
16.12.2009, 20:22
Forum: Physics and Astronomy
Topic: Celestia galaxy alignment
Replies: 6
Views: 3339

Celestia galaxy alignment

I'm just wondering, in Celestia, is our solar system correctly aligned with our galaxy? I'm not saying it wrong, just wondered if that is how it is. I'm asking because of this silly 2012 thing, and that it is supposed to be about our alignment within the galaxy. Using Celestia, I can see that earth ...
by Seb
04.10.2007, 19:51
Forum: Textures
Topic: Most recent earth images
Replies: 1
Views: 3198

Most recent earth images

Anyone know where can I download the most recent earth images, like within the last 24 hours?
by Seb
14.04.2005, 12:59
Forum: Development
Topic: Diving into Titan's Atmosphere with Celestia
Replies: 19
Views: 11644

Re: Diving into Titan's Atmosphere with Celestia

I'm very impressed. Could we make sure your work is in the next version of Celestia?
by Seb
29.03.2005, 21:50
Forum: Celestia Users
Topic: IIS view of the Moon
Replies: 1
Views: 1283

IIS view of the Moon

After seeing this.. http://spaceflight.nasa.gov/gallery/images/station/crew-10/html/iss010e18585.html I though I would try and recreate it. Says it was taken 24 Feb, but I cant get a image that is close. Earth always seems to be in the dark at this angle during this day. Anyone come up with a Celest...
by Seb
29.03.2005, 21:44
Forum: Development
Topic: More time zones - request
Replies: 0
Views: 1387

More time zones - request

Just a quick one. Could we have more time zone information integrated, so that jumping to different date/time of a particular time zone is easier, and ability to display the time/date in different zones as well?
by Seb
06.12.2004, 00:55
Forum: Celestia Users
Topic: Live internet weather
Replies: 12
Views: 6200

Internet Weather

You can download the latest world images and import them directly into Celestia. http://www.meteo-maarssen.8m.com/data/celestia/ Visit the above page (Note there are two types of images listed daily.) Download the lastest (Non IR) image. Rename your earth.jpg to earth-original.jpg and put the downlo...
by Seb
15.11.2004, 01:38
Forum: Physics and Astronomy
Topic: Gravity, Celestia, and the universe
Replies: 17
Views: 9192

Speed of Gravity

http://www.metaresearch.org/cosmology/speed_of_gravity.asp
- "Conclusion: The speed of gravity is 2x1010 c"

Over my head, but interesting..

Comments?
by Seb
13.11.2004, 16:35
Forum: Physics and Astronomy
Topic: What would happen if...
Replies: 9
Views: 4587

Time travel

ElPelado, My view is that the time-line would change, and maybe your parents no longer exist, but dont believe you suddenly disappear, but instead, managed to moved from your original universe to the new alternate one. The interesting question is, does only one time-line exist? or do they all exist?...
by Seb
07.11.2004, 19:01
Forum: Textures
Topic: Earth in IR, every day refreshed!
Replies: 8
Views: 6204

Re: Earth in IR, every day refreshed!

I've just noticed by looking at these cloud maps that all the cloud movement is probably cause by friction of some kind against space. From this 2D point of view, across the centre is where earth is moving from left to right which makes the clouds drag the way they do. I wonder if we took a clear sp...
by Seb
04.11.2004, 00:53
Forum: Textures
Topic: Earth in IR, every day refreshed!
Replies: 8
Views: 6204

Re: Earth in IR, every day refreshed!

Interesting, I understand IR pictures, but don’t know what to interpret from them. Does this mean there are sections of cold areas moving across our skies, or is it seeing surface temperatures?

As a weatherman yourself, what information does this tell you?
by Seb
04.11.2004, 00:33
Forum: Textures
Topic: Saturn's Titan Texture anyone?
Replies: 20
Views: 9301

Re: Saturn's Titan Texture anyone?

I keep wondering how true to colour the textures in Celestia really are, they are all taken from different sources, heavily processed differently and then converted. These missions should have special calibrated cameras that can take various spectrums in a single shot, RGB, IR and maybe radar, so th...
by Seb
01.11.2004, 16:32
Forum: Physics and Astronomy
Topic: Speed of light..
Replies: 11
Views: 4447

Re: Speed of light..

Thanks selden, have answered perfectly..

Just seems from the information I've been reading, physicists were still uncertain.
by Seb
01.11.2004, 01:05
Forum: Physics and Astronomy
Topic: Speed of light..
Replies: 11
Views: 4447

Speed of light..

This is probably basic physics, but... I'm a little confused about the speed of light. From what I'm understanding, c is pretty much constant, no matter what speed the source of the light is already moving at. Is this still seen to be correct today? If it is, then would it not be possible to calcula...
by Seb
31.10.2004, 00:48
Forum: Physics and Astronomy
Topic: What are the chances...
Replies: 7
Views: 3234

Other life..

I'm going to stick my neck out on this one... I think the universe is full of life, just mostly not very intelligent life. It has been shown that bacteria can be brought back to life after long trips through the vacuum of space. And we have found life in the most remote and unbelievably the most uni...
by Seb
31.10.2004, 00:23
Forum: Physics and Astronomy
Topic: Gravity, Celestia, and the universe
Replies: 17
Views: 9192

Speed of Gravity

propagates at the speed of light


But isnt the speed of Gravity a lot faster than the speed of light?
by Seb
23.10.2004, 14:59
Forum: Physics and Astronomy
Topic: Giant pinhole camera in space?
Replies: 2
Views: 1684

telescopes

I've thought about this very thing before. I don’t think its realist because there isn’t enough light coming from stars, but then putting them through a pin hole, the exposure time would have to be massive. I would expect the resulting images wont be good. I don’t think it doesn’t matter if there is...
by Seb
22.10.2004, 20:57
Forum: Physics and Astronomy
Topic: Titan flyby next week!
Replies: 86
Views: 23105

Titan on NASA TV

Titan now live on NASA TV.. http://science.ksc.nasa.gov/shuttle/countdown/video/chan2small.jpg Windows Media.. http://www.nasa.gov/55644main_NASATV_Windows.asx Real Player http://www.nasa.gov/ram/35037main_portal.ram Furthest ever live broadcast?
by Seb
22.10.2004, 20:44
Forum: Textures
Topic: Saturn's Titan Texture anyone?
Replies: 20
Views: 9301

Re: Saturn's Titan Texture anyone?

Thanks Fridger, I was being stupid, hadn’t noticed I was actually looking at the surface not the clouds. granthutchison - yep, BBC Horizon. bh - yep, overkill is gooood..!! Seems to be a lot of pessimistic speculation about what’s beneath thoughs clouds. and with the Cassini changing speed to shift ...

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