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…
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…
Mapping the Early Universe with NASA’s Webb Telescope
Astronomers and engineers have designed telescopes, in part, to be “time travelers.” The farther away an object is, the longer its light takes to reach Earth. Peering back in time…
Deep Space 1 Spacecraft at 2.3 Million Miles from Earth
June 30 is Asteroid Day. Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system about 4.6 billion years ago. The…
X-rays From a Newborn Star Hint at Our Sun’s Earliest Days
By detecting an X-ray flare from a very young star using NASA’s Chandra X-ray Observatory, researchers have reset the timeline for when stars like the Sun start blasting high-energy radiation…