2022年12月21日 Sun Halo at Sixty-three Degrees North Image Credit & Copyright: Goran Strand Explanation: Happy Solstice! Today is the December solstice, marking an astronomical beginning of summer in the southern hemisphere and winter in the north. On its yearly trek through planet Earth’s s […]
On Dec. 18, 2022, InSight did not respond to communications from Earth. As expected, the lander’s power has been declining for months, and it’s assumed InSight may have reached its end of operations. NASA will declare the mission over when InSight misses two consecutive communication sessions with t
NASA is taking a leading role to help integrate new types of Advanced Air Mobility aircraft like air taxis and delivery drones into the sky, helping emerging markets to safely develop an air transportation system that moves people and cargo between places previously not served or underserved by avia
2022年12月19日 The Tadpole Nebula in Gas and Dust Image Credit & Copyright: Craig Stocks (Utah Desert Remote Observatories) Explanation: What’s causing the commotion in the Tadpole Nebula? Star formation. Dusty emission in the Tadpole Nebula, IC 410, lies about 12,000 light-years away in the
由蒙特利尔大学的研究人员领导的一个团队发现了证据，表明围绕一颗红矮星运行的两颗系外行星是“水世界”，水在整个行星中占了很大一部分。这些行星位于天琴座218光年外的一个行星系中，不同于我们太阳系中发现的任何行星。
A portion of the open cluster NGC 6530 appears as a roiling wall of smoke studded with stars in this image from the NASA/ESA Hubble Space Telescope. NGC 6530 is a collection of several thousand stars lying around 4,350 light-years from Earth in the constellation Sagittarius. The cluster is set withi
2022年12月18日 25 Brightest Stars in the Night Sky Image Credit & Copyright: Tragoolchitr Jittasaiyapan Explanation: Do you know the names of some of the brightest stars? It’s likely that you do, even though some bright stars have names so old they date back to near the beginning of written
2022年12月17日 Apollo 17 VIP Site Anaglyph Image Credit: Gene Cernan, Apollo 17, NASA; Anaglyph by Erik van Meijgaarden Explanation: Get out your red/blue glasses and check out this stereo scene from Taurus-Littrow valley on the Moon! The color anaglyph features a detailed 3D view of Apollo 17’s
