保护地球，探索宇宙，发现文明
2020年8月3日 Comet NEOWISE over Vikos Gorge Image Credit & Copyright: Constantine Emmanouilidi Explanation: Did the Earth part to show us this comet? Of course not, even if this image makes it seem that way. Pictured far in the background is Comet NEOWISE as it appeared about two weeks ago over northern Greece. Above the comet are many stars including the ...
Astronauts Doug Hurley and Bob Behnken of NASA’s Commercial Crew Program are aboard the SpaceX Crew Dragon as it approaches the International Space Station on May 31, 2020. The Crew Dragon’s nose cone is open revealing the spacecraft’s docking mechanism that would connect to the Harmony module’s forward International Docking Adapter. ...
The engines fire as a United Launch Alliance Atlas V rocket with NASA’s Mars Perseverance rover onboard launches from Space Launch Complex 41, Thursday, July 30, 2020, at Cape Canaveral Air Force Station in Florida. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red Planet. Image Credit: NA...
A United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard launches from Space Launch Complex 41 at Cape Canaveral Air Force Station, Thursday, July 30, 2020. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red Planet. Image Credit: NASA/Joel Kowsky 2020年7月30日星期...
A United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard is seen illuminated by spotlights on the launch pad at Space Launch Complex 41, Tuesday, July 28, 2020, at Cape Canaveral Air Force Station in Florida. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red...
A United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41, Tuesday, July 28, 2020, at Cape Canaveral Air Force Station in Florida. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of...
2020年8月2日 Two Worlds, One Sun Left Image Credit & Copyright: Damia Bouic; Right Image Credit: NASA, JPL-Caltech, MSSS; Digital processing: Damia Bouic Explanation: How different does sunset appear from Mars than from Earth? For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These images were scaled to h...
2020年8月1日 The Elephant’s Trunk Nebula in Cepheus Image Credit & Copyright: Chad Leader Explanation: Like an illustration in a galactic Just So Story, the Elephant’s Trunk Nebula winds through the emission nebula and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Also known as vdB 142, the cosmic elephan...
2020年7月30日 Mars 2020 from 5,000 Feet Image Credit & Copyright: John Kraus Explanation: On Thursday this snapshot from a small plane 5,000 feet above Florida’s Space Coast caught a rocket’s trail rising into the blue morning sky. It was July’s third launch of a mission from planet Earth bound for Mars. The Atlas V rocket left Cape Canav...