Gravity Assist: Our Sun, Our Life, with Vladimir Airapetian
How well do you know the Sun? It hasn’t always looked the way it does today. Billions of years ago, the Sun was fainter but also more active, throwing out…
NASA’s TESS Delivers New Insights Into an Ultrahot World
Measurements from NASA’s Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known. “The weirdness factor…
NASA-NOAA’s Suomi NPP Satellite Analyzes Saharan Dust Aerosol Blanket
Dust storms from Africa’s Saharan Desert traveling across the Atlantic Ocean are nothing new, but the current dust storm has been quite expansive and NASA satellites have provided a look…
NASA’s OSIRIS-REx Produces Nightingale Mosaic
This view of sample site Nightingale on asteroid Bennu is a mosaic of images collected by NASA’s OSIRIS-REx spacecraft on March 3. A total of 345 PolyCam images were stitched…
An Astronaut’s View of Work
On June 26, 2020, spacewalkers Bob Behnken and Chris Cassidy completed the first of two scheduled spacewalks to replace batteries on one of two power channels on the far starboard truss (S6 Truss) of the International…