在火星北部平原的高纬度地区,直径5公里直径的火山口内,有一片被霜覆盖的沙丘。
Credit:NASA/JPL-Caltech/University of Arizona ,ESA/DLR/Freie Universitat Berlin (G. Neukum)
...
https://www.youtube.com/watch?v=TQjOfWx1H1g
June 02, 2021 – 16:25 UTC
June 03, 2021 – 00:25 BJT
Fengyun-4B is China’s next generation weather satellite. It will be launched on top of a Long March 3B/E rocket from Xichang Satellite Launch Center, China and deployed into a geostationary transfer orbit (GTO). Over the following months it will gradually raise its orbit until it is located in a geostationary orbit (GEO) at 86.5° east keeping its position over China.
...
https://www.youtube.com/watch?v=d45KVZPf4ts
NASA & Magellan Aerospace will be launching the Black Brant XII Sounding Rocket for their 6th attempt from NASA Wallops Island launch facility to conduct KiNETic-scale energy and momentum transport eXperiment which could lead to creation of artificial Auroras.
The launch of the Black Brant XII sounding rocket carrying the KiNET-X payload has been postponed to no earlier than 8:04 p.m. EDT, Sunday, May 16, due to cloudy weather in Bermuda.
...
https://www.youtube.com/watch?v=yzmaWl8btWc