2016年7月29日星期五

Space Station View of the Chesapeake Bay


On July 21, 2016, Expedition 48 Commander Jeff Williams of NASA shared this photograph of sunglint illuminating the waters of the Chesapeake Bay, writing, "Morning passing over the Chesapeake Bay heading across the Atlantic."

2016年7月28日星期四

A Black Hole ‘Choir’


The blue dots in this field of galaxies, known as the COSMOS field, show galaxies that contain supermassive black holes emitting high-energy X-rays.

2016年7月27日星期三

The Loneliest Young Star


An unusual celestial object called CX330 was first detected as a source of X-ray light in 2009. It has been launching “jets” of material into the gas and dust around it.

2016年7月26日星期二

Cockpit of the First All-Electric Propulsion Aircraft


NASA’s Scalable Convergent Electric Propulsion Technology and Operations Research (SCEPTOR) project has reached a critical milestone, where the electric propulsion integration and conversion of the Tecnam P2006T aircraft into the X-57 will commence.

2016年7月25日星期一

Hubble Views a Galaxy Fit to Burst


This NASA/ESA Hubble Space Telescope image reveals the vibrant core of the galaxy NGC 3125. Discovered by John Herschel in 1835, NGC 3125 is a great example of a starburst galaxy — a galaxy in which unusually high numbers of new stars are forming, springing to life within intensely hot clouds of gas.

2016年7月22日星期五

Aquanauts Splash Down, Beginning NEEMO 21 Research Mission


The NASA Extreme Environment Mission Operations (NEEMO) 21 mission began on July 21, 2016, as an international crew of aquanauts splashed down to the undersea Aquarius Reef Base, 62 feet below the surface of the Atlantic Ocean. The NEEMO 21 crew will perform research both inside and outside the habitat during a 16-day simulated space mission.