Hurricane forecasters will soon have a new tool to better understand and forecast storm intensity. A constellation of eight microsatellites, called NASA’s Cyclone Global Navigation Satellite System mission, or CYGNSS, got a boost into Earth orbit aboard an Orbital ATK Pegasus XL rocket, deployed from an L-1011 aircraft.
2016年12月15日星期四
2016年12月14日星期三
Color Variations on Mount Sharp, Mars
The foreground of this scene from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows purple-hued rocks near the rover's late-2016 location on lower Mount Sharp. The scene's middle distance includes higher layers that are future destinations for the mission.
2016年12月13日星期二
HTV-6 Cargo Craft Approaches Space Station
Expedition 50 Commander Shane Kimbrough of NASA shared this photograph of the Japan Aerospace Exploration Agency’s Kounotori H-II Transfer Vehicle (HTV-6) as it approached the International Space Station. Kimbrough and Flight Engineer Thomas Pesquet successfully captured the spacecraft using the station's Canadarm2 robotic arm.
2016年12月12日星期一
The Coolest Landscape on Mars (or Earth)
Many Martian landscapes contain features that are familiar to ones we find on Earth, like river valleys, cliffs, glaciers and volcanos.
2016年12月9日星期五
Sunrise With Solar Array
Astronaut Thomas Pesquet of the European Space Agency captured this photograph from the International Space Station on Nov. 25, 2016, and shared it on social media, writing, "Sunrises. We experience 16 sunrises every 24 hours on the International Space Station as it takes us 90 minutes to do a complete orbit of our planet flying at 28,800 km/h."
2016年12月8日星期四
Linear Dunes, Namib Sand Sea
An astronaut aboard the International Space Station (ISS) used a long lens to document what crews have termed one of the most spectacular features of the planet: the dunes of the Namib Sand Sea.
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