2020年10月12日 Descending Toward Asteroid Bennu Video Credit: NASA, OSIRIS-REx, NASA’s Scientific Visualization Studio; Data: NASA, U. Arizona, CSA, York U., MDA Explanation: What would it be like to land on an asteroid? Although no human has yet done it, NASA’s robotic OSIRIS-REx spacecraf […]
2020年10月11日 Milky Way over the Pinnacles in Australia Image Credit & Copyright: Michael Goh Explanation: What strange world is this? Earth. In the foreground of the featured image are the Pinnacles, unusual rock spires in Nambung National Park in Western Australia. Made of ancient sea shells (l
2020年10月10日 Virgo Cluster Galaxies Image Credit & Copyright: Fernando Pena Explanation: Galaxies of the Virgo Cluster are scattered across this deep telescopic field of view. The cosmic scene spans about three Full Moons, captured in dark skies near Jalisco, Mexico, planet Earth. About 50 milli
2020年10月9日 The Very Large Array at Moonset Image Credit: Jeff Hellermann, NRAO / AUI / NSF Explanation: An inspirational sight, these giant dish antennas of the Karl G. Jansky Very Large Array (VLA) rise above the New Mexico desert at moonset. Mounted on piers but transportable on railroad tracks to
2020年10月7日 Ou4: A Giant Squid in a Flying Bat Image Credit & Copyright: Yannick Akar Explanation: A very faint but very large squid-like nebula is visible in planet Earth’s sky — but inside a still larger bat. The Giant Squid Nebula cataloged as Ou4, and Sh2-129 also known as the Fl
2020年10月6日 Mars Approach 2020 Image Credit: Jonathan T. Grayson Explanation: Look to the east just after sunset tonight and you’ll see a most impressive Mars. Tonight, Mars will appear its biggest and brightest of the year, as Earth passes closer to the red planet than it has in over two years
2020年10月5日 NGC 5643: Nearby Spiral Galaxy from Hubble Image Credit: ESA/Hubble & NASA, A. Riess et al.; Acknowledgement: Mahdi Zamani Explanation: What’s happening at the center of spiral galaxy NGC 5643? A swirling disk of stars and gas, NGC 5643’s appearance is dominated by blue s
2020年10月4日 Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit & Copyright: César Blanco González Explanation: Few astronomical sights excite the imagination like the nearby stellar nursery known as the Orion Nebula. The Nebula’s glowing gas surrounds hot young stars at the edge of
2020年10月3日 Driving to the Sun Image Credit: Solar Dynamics Observatory, NASA Explanation: How long would it take to drive to the Sun? Brittany age 7, and D.J. age 12, ponder this question over dinner one evening. James also age 7, suggests taking a really fast racing car while Christopher age 4, eag
