Spica, the brightest star in Virgo, is a very close, scorching-hot pair of stars, whirling around one another. One may go supernova as it nears the end of its lifetime.
China’s Long March 5B rocket successfully reached orbit as planned. The core stage, however, also reached orbit, and may now be one of the largest ever to make an uncontrolled reentry back into Earth’s atmosphere.
In 2018, a small asteroid crashed into Earth, and scientists recovered pieces of it in a Botswana game reserve. Now the scientists have determined the space rock’s origin: Vesta, in the asteroid belt.
SpaceX performed 2 “static fire” tests of its Starship SN15 prototype earlier this week. The prototype’s 1st high-altitude test flight may be later this week. Stay tuned.
(University of Kansas) A new study from the University of Kansas just published in the open-access journal Comptes Rendus Geoscience, may answer “one of the greatest mysteries of our time . . . when humans made the first bold journey to the Americas.”
(European Geosciences Union) Analog astronauts–scientists living in a habitat atop a Hawaiian volcano to train for living and working on the moon and Mars–are exploring lava tubes, which may hold biosignatures of life. The researchers will present their latest findings at the European Geosciences Union (EGU) General Assembly 2021, which is meeting from 19-30 April 2021.