New combined NASA image/video archive

[HeadLikeARock (was postbaguk)]

uk.news.yahoo.com/vdunet/20080725/ttc-nasa-opens-up-space-image-library-6315470.html

"Nasa is to make its huge collection of historic photographs, film and video available to the public for the first time.

A partnership with the non-profit Internet Archive will see 21 major Nasa imagery collections merged into a single searchable online resource. The Nasa Images website is expected to go live this week.

The launch is the first step in a five-year partnership that will add millions of images and thousands of hours of video and audio content, with enhanced search and viewing capabilities and new user features.

Over time, the integration of Nasaimages.org will become more seamless and comprehensive with the main Nasa site.

"This partnership enables Nasa to provide a vast collection of imagery from one searchable source, unlocking a new treasure trove for students, historians, enthusiasts and researchers," said Nasa deputy administrator Shana Dale.

"This new resource also will enable the agency to digitise and preserve historical content now not available on the internet for future generations."

The content of the site covers all the diverse activities of America's space programme, including imagery from the Apollo missions, Hubble Space Telescope views of the universe and experimental aircraft past and present."

One word... wow!

[Ginnie]

www.nasaimages.org/

[BertL]

Ahh, so they're working with www.archive.org/ now. Good choice. Their Wayback machine is really fun to use when you're procastinating (or trying to find the remains of popular websites that are now offline).

[sniffy]

In order to support the Greenhouse gas hoax, we sometimes see animations of wind shear against the ice pack, on Television.

Any person can see the daily satellite view of the Artic ice pack here;

arctic.atmos.uiuc.edu/cryosphere/IMAGES/arctic.jpg

To see the South pole, where the glaciers are increasing, change
arctic to antarctic.

[raven]

www.apolloarchive.com/apollo_gallery.html

Checkout, AS07-03-1518. Is this debris or stars?

[laurel]

It looks to me like the sun is too bright for it to be stars.

[gwiz]

Without checking, it appears to be the first photo taken on the mission, which would put it just after separation from the S-IVB stage during the practice transposition and docking manoeuvre. In that case, there would be plenty of debris from the separation system.

[Kiwi]

Oct 2, 2008 10:02:15 GMT -4 raven said:

www.apolloarchive.com/apollo_gallery.html
Checkout, AS07-03-1518. Is this debris or stars?

If there is ever any question of whether stars can be see in a photo of sunlit objects, remember this number: 30,000.

It takes at least 30,000 times more exposure to show the brightest stars than it does to photograph a sunlit scene.
In fact, 130,000 is much nearer the mark for a decent photo of stars.


Following AS07-03-1518 in the Apollo Archive, there are some nice shots of the spent S-IVB rocket above:
Baja California and the Gulf of California -- AS07-03-1528 to 1531
Unknown coastline (where is it?) -- AS07-03-1541
Cape Canaveral -- AS07-03-1544 & 1545

Also:
Some islands, possibly coral atolls (where?) -- AS07-04-1590
Sinai Peninsula -- AS07-06-1695
Coastline (Africa?) -- AS7-7-1826
Houston-Galveston -- AS7-7-1872
Florida Peninsula -- AS7-8-1933

[BertL]

Kiwi - in your link, make sure the closing bracket ] is right after the link. You put it in the next line, causing the link to get an extra <br/> at the end.

EDIT: Gah I sound so uninterested in the subject. Nice post, although I don't quite understand why the f-stops affect the exposure this way. Is it quadratic?

[Tanalia]

Yes, it's quadratic. f-stops are the ratio of the focal length to the diameter of the opening, so if you double the stop number, you halve the diameter, reducing the aperture to 1/4 its original size.

[BertL]

Ahh, so that's how it works. Thanks, it's quite simple when you think about it a bit more.