2017年10月11日星期三

2017年10月10日星期二

Where Does the Sand Come From?


This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today.

2017年10月6日星期五

Suited Up for a Day's Work


Astronaut Randy Bresnik conducts a spacewalk on October 5.

2017年10月5日星期四

First Meeting of the National Space Council


Members of the National Space Council are seen during the council's first meeting on Oct. 5 at the Smithsonian National Air and Space Museum's Steven F. Udvar-Hazy Center. The council, chaired by Vice President Mike Pence heard testimony from representatives from civil space, commercial space, and national security space industry representatives.

2017年10月4日星期三

Oct. 4, 1957 - Sputnik, the Dawn of the Space Age


History changed on Oct. 4, 1957, when the Soviet Union successfully launched Sputnik from the Baikonur Cosmodrome in Kazakhstan. The world's first artificial satellite was about the size of a beach ball, about 23 inches in diameter and weighing less than 190 pounds.

2017年10月3日星期二

It's Planting Season on the International Space Station


It's planting season on the International Space Station! NASA astronaut Joe Acaba prepared the Veggie facility for three different kinds of lettuce seeds as part of the VEG-03-D investigation. This is the first time seeds from multiple kinds of plants are being grown in the facility all at the same time.

2017年10月2日星期一

Goodbye to the Dark Side


Stunning views like this image of Saturn's night side are only possible thanks to our robotic emissaries like Cassini.