保护地球，探索宇宙，发现文明
NASA’s Earth Polychromatic Imaging Camera aboard the Deep Space Climate Observatory (DSCOVR) captured the lunar shadow during the Oct. 14 annular solar eclipse. The sensor provides frequent global views of Earth from its position at Lagrange Point 1, a gravitationally stable point between the Sun and Earth about 1.5 million kilometers from Earth. DSCOVR is a...
2023年10月19日 A Sunrise at Sunset Point Image Credit & Copyright: Martin Ratcliffe Explanation: This timelapse series captured on October 14 is set against the sunrise view from Sunset Point, Bryce Canyon, planet Earth. Of course on that date the New Moon caught up with the Sun in the canyon’s morning skies. Local temperatures fell as the Moon’...
While aboard the International Space Station, astronaut Jasmin Moghbeli took this picture of the Moon passing in front of the Sun during the annular solar eclipse on Oct. 14, 2023. As the space station orbits Earth, astronauts take images of the planet below and phenomena in space. Visible in parts of the United States, Mexico, and many countries in South an...
自20世纪70年代以来，水星表面神秘的凹陷一直困扰着科学家。
2023年10月18日 Dust and the Western Veil Nebula Image Credit & Copyright: Jiang Wu Explanation: It’s so big it is easy to miss. The entire Veil Nebula spans six times the diameter of the full moon, but is so dim you need binoculars to see it. The nebula was created about 15,000 years ago when a star in the constellation of the Swan (Cygnus) exploded....
The crew of the International Space Station saw this view of the north coast of the Mexican state of Baja California Sur as the space station orbited 258 miles above on Oct. 14, 2023. In 24 hours, the space station makes 16 orbits of Earth, traveling through 16 sunrises and sunsets. The station’s orbital path takes it over 90 percent of the Earth’s populatio...
2023年10月17日 PDS 70: Disk, Planets, and Moons Image Credit: ALMA (ESO/NAOJ/NRAO); M. Benisty et al. Explanation: It’s not the big ring that’s attracting the most attention. Although the big planet-forming ring around the star PDS 70 is clearly imaged and itself quite interesting. It’s also not the planet on the right, just inside the big dis...
A SpaceX Falcon Heavy rocket with the Psyche spacecraft onboard is launched from Launch Complex 39A, Friday, Oct. 13, 2023, at NASA’s Kennedy Space Center in Florida. NASA’s Psyche spacecraft will travel to a metal-rich asteroid by the same name orbiting the Sun between Mars and Jupiter to study its composition. The spacecraft also carries the agency’s...
2023年10月16日 Eclipse Rings Image Credit & Copyright: Jerry Zhang (left), Baolong Chen (photographer) & Amber Zhang (right) Explanation: She knew everything but the question. She was well aware that there would be a complete annular eclipse of the Sun visible from their driving destination: Lake Abert in Oregon. She knew that the next ring-of-fire ec...
2023年10月15日 An Eclipse Tree Image Credit & Copyright: Shawn Wyre Explanation: Yes, but can your tree do this? If you look closely at the ground in the featured image, you will see many images of yesterday’s solar eclipse — created by a tree. Gaps between tree leaves act like pinhole lenses and each create a small image of the partially eclip...