保护地球，探索宇宙，发现文明
Floodwater (dark blue) stands out against the vegetation in agricultural fields around Tulare Lake near Corcoran, California, in this enhanced color image taken by Landsat 8 on March 29, 2023. Heavy rain and snow in the first three months of 2023 have once again brought water to Tulare’s lakebed, but also flooding several nearby towns. 2023 has been the wett...
4月份的天空会发生什么？水星高升，本月的月亮和行星配对，以及天琴座流星雨。
The last rays of an orbital sunset illuminate the Earth’s atmosphere in this Feb. 17, 2023, photograph from the International Space Station as it orbited 269 miles above the Atlantic Ocean off the coast of Argentina. Astronauts aboard the space station see 16 sunrises and sunsets per day. Stay up to date with what’s happening aboard the space station. ...
An orbital sunrise reveals cloud tops above the Pacific Ocean northeast of New Zealand as the International Space Station orbited 260 miles above on Feb. 10, 2023. Astronauts aboard the space station see 16 sunrises and sunsets per day due to their high orbital velocity—17,500 miles per hour. In the more than 20 years that people have been living aboard, the...
2023年3月8日 Artificial Night Sky Brightness Image Credit: Data: JPSS Satellites; Processing: David J. Lorenz Explanation: Where have all the dim stars gone? From many places on the Earth including major cities, the night sky has been reduced from a fascinating display of thousands of stars to a diffuse glow through which only a few stars are visible. The featu...
Cyclone Freddy is pictured northeast of the island nation of Mauritius from the International Space Station as it orbited 267 miles above the Indian Ocean on Feb. 20, 2023. On the space station are two NASA-built weather instruments, the Compact Ocean Wind Vector Radiometer (COWVR) and the Temporal Experiment for Storms and Tropical Systems (TEMPEST), that t...
2023年3月6日 Jupiter and Venus from Earth Image Credit & Copyright: Marek Nikodem (PPSAE) Explanation: It was visible around the world. The sunset conjunction of Jupiter and Venus in 2012 was visible almost no matter where you lived on Earth. Anyone on the planet with a clear western horizon at sunset could see them. Pictured here in 2012, a creative photo...
3月份的天空会发生什么？金星高高升起，而木星向太阳后方俯冲，还有一颗与你的早餐麦片同名的小行星。
The Himalayan peaks are pictured in this oblique photograph from the International Space Station as it orbited 260 miles above central China on Feb. 8, 2023. Humans have taken over 4 million photographs from space. Crew photography can be used to study changes on Earth’s surface over time as well as significant weather events. See more images from the Space ...
While the International Space Station orbited over the Gulf of Mexico on Sept. 19, 2022, NASA astronaut Bob Hines captured this image of South Padre Island, a barrier island along the coast of Texas. The island is part of the greater Padre Island, the longest barrier island in the world, which spans a length of 113 miles (182 kilometers). Barrier islands alo...