Quilotoa@lemmy.ca to Today I Learned (TIL)@lemmy.ca · 1 day agoTIL in the early 1960s, the United States shot 480 000 000 copper needles into spaceen.wikipedia.orgexternal-linkmessage-square17fedilinkarrow-up193arrow-down10
arrow-up193arrow-down1external-linkTIL in the early 1960s, the United States shot 480 000 000 copper needles into spaceen.wikipedia.orgQuilotoa@lemmy.ca to Today I Learned (TIL)@lemmy.ca · 1 day agomessage-square17fedilink
minus-squaremech@feddit.orglinkfedilinkarrow-up14·1 day agoWhat surprises me the most is that objects in medium earth orbit (no atmospheric drag) re-entered within 3 years, only from the pressure of the sun’s radiation.
minus-squareDionysus@leminal.spacelinkfedilinkarrow-up5·1 day agoYeah, that’s what makes the concept of a solar sail so neat. Eventually hitting near light speed doing that.
minus-squaresubignition@fedia.iolinkfedilinkarrow-up0·1 day agoThe Sun is an angry laser And with enough laser you can push
minus-squareAtelopus-zeteki@fedia.iolinkfedilinkarrow-up1·7 hours agoYes, well, except for the “laser” part. And also the part about angry; one needn’t anthropomorphize a natural phenomenon. The Sun is.
What surprises me the most is that objects in medium earth orbit (no atmospheric drag) re-entered within 3 years, only from the pressure of the sun’s radiation.
Yeah, that’s what makes the concept of a solar sail so neat. Eventually hitting near light speed doing that.
The Sun is an angry laser
And with enough laser you can push
Yes, well, except for the “laser” part. And also the part about angry; one needn’t anthropomorphize a natural phenomenon. The Sun is.