Star Found to Have At Least One Possible Brown Dwarf Companion
The star HD47127, observed for over 20 years, appears to have a brown dwarf companion whose mass is much greater than the usual brown dwarf.
China’s LAMOST Helps Calibrate Gaia Telescope’s Photometry
The LAMOST telescope and the Gaia telescope observed over 800,000 stars in order to calibrate Gaia’s brightness measurements to an unprecedented degree.
With Ingenuity Working, Perseverance Begins Science Mission
Now that NASA’s Ingenuity helicopter has finished its demonstration, the Perseverance rover is now free to begin using the instruments on its arm to do science.
This Week in Rocket History: Alan Shepard and Freedom 7
This Week in Rocket History: On May 5, 1961, Alan Shepard became the first American in space when he was launched aboard Freedom 7.
That Long March 5B Core Stage Came Down in the Indian Ocean
Last week, a Long March 5B core stage failed to perform its deorbit burn, sending it into a rapidly decaying orbit that made reentry hard to predict.
Touchdown! Starship SN15 Lands and Doesn’t Go Boom
SpaceX’s Starship SN15 successfully launched, performed a horizontal flight maneuver, and then landed without exploding… finally.
China Launches Another Yaogan-30 Mission
China launched the Yaogan-30 08 mission, adding another three satellites to a suspected intelligence mission constellation.
Two More Starlink Launches Bring Total to 1,625 Satellites
SpaceX launched two more sets of Starlink satellites on May 4 and again on May 9 and has reused Booster 1051 ten times now.
Martian Volcanoes May Still Be Active
Volcanic activity on Mars occurred as recently as 50,000 years ago and data from NASA’s InSight lander could provide evidence for continuing underground movement of magma.
Small Volcanoes on Mars May Have Been A Big Deal
Small volcanic vents and cinder cones on Mars may have contributed as much lava by volume as the four biggest volcanoes did despite having less room to erupt.
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