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Astronomy Picture Of the Day (APOD)
Flying over the Earth at Night II
12.03.2018
What would it be like to orbit the Earth? The International Space Station (ISS) does this every 90 minutes, and sometimes the astronauts on board take image sequences that are made into videos. The featured time-lapse video shows many visual spectacles of the dark Earth below.
Duel Particle Beams in Herbig Haro 24
11.03.2018
This might look like a double-bladed lightsaber, but these two cosmic jets actually beam outward from a newborn star in a galaxy near you. Constructed from Hubble Space Telescope image data, the stunning scene...
Phases of the Moon
10.03.2018
Look at the Moon every night and its visible sunlit portion gradually changes. In phases progressing from New Moon to Full Moon to New Moon again, a lunar cycle or lunation is completed in about 29.5 days.
Horsehead: A Wider View
9.03.2018
Combined image data from the massive, ground-based VISTA telescope and the Hubble Space Telescope was used to create this wide perspective of the interstellar landscape surrounding the famous Horsehead Nebula. Captured at near-infrared wavelengths...
Cyclones at Jupiter s North Pole
8.03.2018
Juno's Jovian Infrared Auroral Mapper data was used to construct this stunning view of cyclones at Jupiter's North Pole. Measuring the thermal emission from Jovian cloud tops, the infrared the observations are not restricted to the hemisphere illuminated by sunlight.
Arcs, Jets, and Shocks near NGC 1999
7.03.2018
This tantalizing array of nebulas and stars can be found about two degrees south of the famous star-forming Orion Nebula. The region abounds with energetic young stars producing jets and outflows that push through the surrounding material at speeds of hundreds of kilometers per second.
Colorful Airglow Bands Surround Milky Way
6.03.2018
Why would the sky glow like a giant repeating rainbow? Airglow. Now air glows all of the time, but it is usually hard to see. A disturbance however -- like an approaching storm -- may cause noticeable rippling in the Earth's atmosphere.
The Hubble Ultra Deep Field in Light and Sound
5.03.2018
Have you heard about the Hubble Ultra-Deep Field? Either way, you've likely not heard about it like this -- please run your pointer over the featured image and listen! The Hubble Ultra-Deep Field (HUDF)...
Clouds, Birds, Moon, Venus
4.03.2018
Sometimes the sky above can become quite a show. In early September of 2010, for example, the Moon and Venus converged, creating quite a sight by itself for sky enthusiasts around the globe. From some locations, though, the sky was even more picturesque.
Southwest Mare Fecunditatis
3.03.2018
Frank Borman, James Lovell, and William Anders journeyed from Earth to the Moon and back again in December of 1968. From lunar orbit, their view of craters in southwest Mare Fecunditatis is featured in this stereo anaglyph, best experienced from armchairs on planet Earth with red/blue glasses.
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