Denizens of planet Earth typically watch meteor showers by looking up. But this remarkable view, captured on August 13, 2011 by astronaut Ron Garan, caught a Perseid meteor by looking down. From Garan’s perspective on board the International Space Station orbiting at an altitude of about 380 kilometers, the Perseid meteors streak below, swept up […]
Partly Cloudy today! With a high of 28C and a low of 28C. 86 Humidity. 15 C currently. 6 Km/h Wind from South.
Interior of the 20-foot diameter vacuum tank at the NASA Lewis Research Center’s Electric Propulsion Laboratory. via NASA https://ift.tt/eyvKF4X
A Halley-type comet with an orbital period of about 133 years, Comet 109P/Swift-Tuttle is recognized as the parent of the annual Perseid Meteor Shower. The comet’s last visit to the inner Solar System was in 1992. Then, it did not become easily visible to the naked eye, but it did become bright enough to see […]
AM Clouds/PM Sun today! With a high of 23C and a low of 23C. 86 Humidity. 19 C currently. 5 Km/h Wind from Southwest.
Erosion, tectonic uplift, and a human-built dam have all helped shape the Upper Lake Powell area in Utah. via NASA https://ift.tt/S01BuUv
To some, they look like battlements, here protecting us against the center of the Milky Way. The Three Merlons, also called the Three Peaks of Lavaredo, stand tall today because they are made of dense dolomite rock which has better resisted erosion than surrounding softer rock. They formed about 250 million years ago and so […]
Scattered Thunderstorms today! With a high of 24C and a low of 24C. 90 Humidity. 18 C currently. 8 Km/h Wind from South.
Eta Carinae may be about to explode. But no one knows when – it may be next year, it may be one million years from now. Eta Carinae’s mass – about 100 times greater than our Sun – makes it an excellent candidate for a full blown supernova. Historical records do show that about 170 […]
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