保护地球，探索宇宙，发现文明
A young alligator rests on a concrete structure at NASA’s Kennedy Space Center in Florida on April 25, 2023. Alligator breeding season starts in May when males begin courting females. By June, pairs have mated, and females build vegetation nests in the marsh. Eggs hatch in about 65 days. The mother carries her young to the water and protects them from predat...
Local students take in the sights—and data—at an Earth Information Center student engagement event, Friday, June 23, 2023, at NASA Headquarters in Washington. The Earth Information Center is a new immersive experience that combines live data sets with innovative data visualization and storytelling to show visitors how our planet is changing. The center gives...
The teeming stars of the globular cluster NGC 6544 glisten in this image from the NASA/ESA Hubble Space Telescope. This cluster of tightly bound stars lies more than 8,000 light-years away from Earth and is, like all globular clusters, a densely populated region of tens of thousands of stars. This image of NGC 6544 combines data from two of Hubble’s instrume...
During the Skylab 2 crew’s final fly-around inspection on June 22, 1973, they saw this overhead view of the Skylab space station. It has a single solar panel and a parasol solar shield, rigged to replace the micrometeoroid shield. A mishap in the original Skylab 1 liftoff and orbital insertion resulted in damage: both the second solar panel and the mic...
As sunlight and warmth increase in the spring and summer, the North Sea starts to gain swirls and tendrils of color. Phytoplankton—tiny, plant-like organisms that often float near the ocean surface—become abundant during this time, giving the shallow water the distinctive look seen in this June 14, 2023, image from Landsat 9. Phytoplankton turn sunlight and ...
Astronauts Reid Wiseman of NASA (left), Jeremy Hansen of the Canadian Space Agency (middle), and Victor Glover of NASA (right) pay close attention to Moon samples as they receive a lesson in the Apollo Lunar Lab at NASA’s Johnson Space Center in Houston on May 9, 2023. Wiseman, Hansen, and Glover, along with Christina Koch, will venture around the Moon...
Though President Abraham Lincoln issued the Emancipation Proclamation on Jan. 1, 1863, many enslaved African Americans remained unaware of this executive order for an additional two and a half years. On June 19, 1865, Union troops read out General Order No. 3 at several locations throughout Galveston, Texas, announcing the end of legalized slavery and spread...
The European Service Module for the Artemis II Orion spacecraft moves into the Final Assembly and System Testing Cell at NASA’s Kennedy Space Center in this image from May 22, 2023. Here, teams are performing final checkouts on the service module, which will fuel and propel Orion in space, before integrating it with the crew module. After, the crew and...
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...