Blogs

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.

Marshall Space Flight Center PAO Steve Roy was out jogging early Friday morning with his dogs, Lilly and Scout, when he couldn’t help but notice this bright meteor low in the eastern sky.  Also seen by NASA’s all sky meteor cameras at MSFC and in Chickamauga, GA, the meteor was located above the Atlanta area, …

Photograph of the Milky Way rising (setting?) above the Earth’s limb from Space Shuttle Discovery.

Satellite view of Mount St. Helens on August 23, 2010.

The free Natural Earth data are a great resource for map-making.

Karsnoyarsk       56.2° N 92.5°E   9:10 p.m. Local Siberia; 9:10 a.m. next day EST High 69F   Low 42F    Rain We are back to where we started – in comfortable rooms at the Hotel for Scientists in Krasnoyarsk.   We drove through the night and arrived here about 6:15 this morning.  Even at that early hour, we were graciously greeted us and […]

Marinsk,   56.22 N   87.75 E 12:00 midnight Local Siberia; 12:00 Noon next day EST High 74 F   Low 69 F    Rain Today has been one long day of travel – and our day is not over yet. I’m calling from a little café in Marinsk, which is a town about 200 km east of Tomsk. […]

Two NASA Earth scientists have traded in their air-conditioned offices for the uncomfortably arid fields of central Turkey. Toiling nine or more hours per day, seven days a week, they walk up to 10 miles a day searching ancient Turkey archaeological grounds for bone fragments, pottery and tombs. But they aren’t using shovels, picks, and […]

Tomsk Oblast  58.55 N   85.68 E  11:00 p.m. Local Siberia;  11:00 a.m. next day EST  High  79 F   Low 62 F   Clear   We’ve been on the move today.  Last night we looked at our data, and realized that we are done with last night’s site.  We still need a day’s worth of different data, so that’s what […]