Simon Clark on MSN
How Timing A Sunset Could Reveal Where Space Truly Begins
Scientists have a surprising method to calculate where Earth ends and space begins — and it starts with the simple act of ...
As soon as Thursday, Virgin Galactic plans to fire the rocket motor of its spacecraft and fly to an altitude of more than 50 miles. If it accomplishes that goal, it would proclaim it has reached the ...
Hosted on MSN
Where Does Space Really Start?
Where exactly does space begin? Explore the fascinating debate among scientists about the true boundary between Earth's atmosphere and outer space. From the Kármán line to NASA’s definitions, uncover ...
Recently, during the first Ars Live event of this year, two noted space journalists joined Ars space editor Eric Berger for a discussion of NASA’s future in the age of the second Trump administration.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback