In this image taken on the evening of Friday, Oct. 1, Comet Hartley 2 can be seen in the constellation Cassiopeia (north-east sky, not far from horizon). Hartley 2 will only be in Cassiopeia for a few more day before traveling through the constellation Perseus. It’s a Jupiter Family Comet that we can’t see right now because it’s too tiny at …
From the USGS Hawaii Volcano Observatory.
It was brief, but it was brilliant! On Saturday, Oct. 2, 2010 at approximately 8:50 p.m. CDT, cameras operated by NASA’s Meteoroid Environment Office at Marshall Space Flight Center in Huntsville, Ala., recorded a slow moving fireball moving from the north to the southwest. Enhanced-color image of Alabama fireball meteor. The fireball was moving approximately 35,300 mph (15.8 …
North and South America, August 9, 2010. Full Caption By Mark Robinson, LROC Team. As LRO orbits the Moon every two hours sending down a stream of science data, it is easy to forget how close the Moon is to the Earth. The average distance between the two heavenly bodies is just 384,399 km (238,854 […]
A little bit off topic, but worth it. Time lapse photography of clouds & fog in the Bay Area. Watch to the end, it’s worth it. From the Mother Jones Blue Marble blog.
A pale green interloper among the stars of Cassiopeia, Comet Hartley 2 shines in this four-minute exposure taken on the night of Sept. 28, 2010, by NASA astronomer Bill Cooke:Still too faint to be seen with the unaided eye, the comet was 18 million miles away from Earth at the time. Cooke took this image …
An astronaut took this photograph of dust obscuring the Taklamakan Desert, with the Tien Shan mountains in the distance, on September 5, 2010.
G.Projector is an elegant and free tool for converting map projections.
A neat tool from the AP allows exploration of two satellite images of Devils Lake, North Dakota.
One of the simplest ways to improve the look of graphics on a computer screen is to anti-alias them. Here are some examples of aliased graphics, and a few techniques to improve them.
