KEY POINTS Kepler’s supernova remnants still moving at high speeds 400 years after the explosion The remnants are moving at speeds of 20 million miles per hour That’s 25,000 times faster than the speed of sound on Earth Astronomers have found that the debris from a supernova blast is still moving at […]
speeds
ORLANDO, Fla. (AP) — The U.S. Census Bureau sped up the timetable for crunching 2020 census numbers on Friday after an earlier request for an extension stalled in the Senate and as pressure mounts to turn in data used to determine congressional districts by year’s end, when President Donald Trump […]