保护地球，探索宇宙，发现文明
Former NASA astronaut Jack Fischer captured this photograph of Lagoa dos Barros and crescent-shaped barchan dunes on the Atlantic coastline of southern Brazil on July 9, 2017, while aboard the International Space Station. Barchan dunes are sand dunes that form in areas with one wind direction and little vegetation. In this case, fierce winds from the Western...
In this long exposure photo from June 5, 2023, a SpaceX Falcon 9 rocket creates a beam of light as it launches from Kennedy Space Center in Florida. The 28th commercial resupply mission of the Cargo Dragon spacecraft brought new science investigations, food, supplies, and equipment to the International Space Station, including IROSAs (International Space Sta...
During a spacewalk on June 9, 2023, NASA astronaut and Expedition 68 Flight Engineer Woody Hoburg rides the Canadarm2 robotic arm while maneuvering a roll-out solar array toward the International Space Station’s truss structure 257 miles above the Pacific Ocean. In the rear, is the SpaceX Dragon crew vehicle that docked to the Harmony module’s fo...
The last rays of an orbital sunset illuminate the cloud tops above the Pacific Ocean off the coast of Japan, providing a dramatic background for the SpaceX CRS-28 Dragon cargo craft as it approached the International Space Station for docking on June 6, 2023. The uncrewed Dragon spacecraft carried scientific experiments and technology demonstrations, includi...
On June 5, 2023, Crew-5 astronauts Josh Cassada (left) and Nicole A. Mann (second from left) of NASA, and Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (right) visited NASA Associate Administrator Bob Cabana (second from right) at NASA Headquarters in Washington. Mann, Cassada, and Wakata spent 157 days in space as part of Expedition 68 a...
This colorful zinnia, shown in an image from Jan. 22, 2016, grew aboard the International Space Station as part of the VEG-01 experiment. This investigation assessed the on-orbit function and performance of the Veggie facility, focusing on the growth and development of seedlings in the spaceflight environment and the composition of microbial flora on the pla...
In 2021, Hurricane Ida left over 1 million people without power, tornadoes tore across the American Midwest, volcanoes forced people to evacuate their homes, wildfires covered the American West and unusual flooding wreaked havoc on Central Europe. 2021年，飓风艾达导致100多万人断电，龙卷风席卷美国中西部，火山爆发迫使人们撤离家园，野火覆盖美国西部，罕见的洪水对中欧造成严重破坏。 Some characteristics of natural hazards, s...