20 August 2021
"Weird" comet ATLAS may be a remnant of an ancient visitor
... undetermined says Ye, but it might have been caused by streamers of ejected material that spun up the comet so fast centrifugal forces tore it apart. Alternatively, gases from so-called super-volatile ices just blew the piece apart...
15 September 2021
SpaceX ready to launch private, all-civilian crew into Earth orbit
.... For the past six months, the crew have endured intense, rapid spins in fighter jets and centrifuges, experienced weightlessness for a few seconds on parabolic flights and put their lungs to the test with a high...
