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NASA's Deep Space Atomic Clock, the first GPS-like technology for deep space, started its one-year space mission on Friday. If the technology demonstration proves successful, similar atomic clocks will be used to navigate the self-flying spacecraft.

Hubble Captures Dynamic Dying Star.

Scientists with NASA's Mars 2020 mission and the European-Russian ExoMars mission traveled to the Australian Outback to hone their research techniques before their missions launch to the Red Planet in the summer of 2020 to search for signs of ancient life on Mars.

Team member Nelson Reginald examines the BITSE instrument in the lab where it was built, at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. BITSE is a coronagraph, a kind of telescope that blocks the Sun’s bright face in order to reveal its dimmer atmosphere.

This time series shows carbon monoxide associated with fires from the Amazon region in Brazil from Aug. 8-22, 2019. Made with data collected from the Atmospheric Infrared Sounder (AIRS) on NASA's Aqua satellite, the images map carbon monoxide at approximately 18,000 feet (5,500 meters) altitude. Each "day" in the series is made by averaging three day's-worth of measurements.

Amazonian Fires Continue Shrouding South America in Smoke

Figure caption. Example distributions of the first four velocity “moments” (called v, σ, h3 and h4 ) measured from the GMOS-N IFS data for two of the MASSIVE survey galaxies. For each galaxy, the top row shows two-dimensional maps, while the bottom row shows two-sided radial profiles from Gemini/GMOS-N (magenta circles) and McDonald Observatory (green squares) data.

Gran Canaria wildfire.

PanCam was developed in Britain by scientists from UCL’s Mullard Space Science Laboratory