Tuesday, May 21, 2019
AMAZING SHELF CLOUD Taken by Kamila Mazurkiewicz Osiak on May 19, 2019 @ near Borowiec, Poland
19/05/2019, at 20:30, around the village of Borowiec, Mazowsze.
The cloud was moving with great speed, it brought with it thunders, rainfall and very strong wind.
Canon 7D, MK II, Canon 10-22 mm (10 mm), ISO 500, f / 3.5, 1/20 sec, panorama combined from two horizontal frames, when the cloud was hanging right above me.
Monday, May 20, 2019
PLANETS OF THE SOLAR SYSTEM: TILTS AND SPINS
Planets of the Solar System: Tilts and Spins
Video Credit: NASA, Animation: James O'Donoghue (JAXA)
How does your favorite planet spin? Does it spin rapidly around a nearly vertical axis, or horizontally, or backwards? The featured video animates NASA images of all eight planets in our Solar System to show them spinning side-by-side for an easy comparison. In the time-lapse video, a day on Earth -- one Earth rotation -- takes just a few seconds. Jupiter rotates the fastest, while Venus spins not only the slowest (can you see it?), but backwards. The inner rocky planets, across the top, most certainly underwent dramatic spin-altering collisions during the early days of the Solar System. The reasons why planets spin and tilt as they do remains a topic of research with much insight gained from modern computer modeling and the recent discovery and analysis of hundreds of exoplanets: planets orbiting other stars.
Sunday, May 19, 2019
THEOPHILUS, CYRILLUS AND CATHARINA Taken by Heiko Ulbricht on May 10, 2019 @ Radebeul, Saxony, Germany
The lunar craters Theophilus, Cyrillus and Catharina are always nice to look at.
Zeiss Coudé refractor 150/2250, Canon EOS 6D, ISO 200
Saturday, May 18, 2019
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