There are two speeds of sound on Mars

There are two speeds of sound on Mars — one for high-pitched noises like the zap of a laser and another for lower frequencies like the whir of a helicopter rotor, scientists have revealed.   The first audio recordings on the Red Planet were obtained by NASA‘s Perseverance rover after it landed in February last year … Read more

SpaceX CEO Elon Musk says Starship will make launch this year awaiting FAA approval in March

SpaceX CEO Elon Musk gave an update on the highly-anticipated interplanetary Starship rocket which he aims to take to the Moon in 2025 and later Mars, during a  press conference at his Starbase in Texas on Thursday.   Musk, 50, told the crowd that he believes he could successfully launch the Starship spacecraft into orbit by the end of … Read more