The Picard ManeuverM to memes • 10 hours agoSomeone's lyingimagemessage-square47arrow-up1561arrow-down128
arrow-up1533arrow-down1imageSomeone's lyingThe Picard ManeuverM to memes • 10 hours agomessage-square47
minus-squareThe Picard ManeuverOPMlink4•7 hours agoJust googled it now, and I’m seeing the “3 miles” number thrown around a lot. https://science.howstuffworks.com/question198.htm
minus-square@[email protected]linkfedilink4•edit-27 hours agoThat’s just weird. The question is about the eye. And the primary “answer” they give is about the geometry of our planet. Edit: At least the real answer is somewhere further down in the text: Theoretically, in a vacuum there’s no limit to how far away your eyes could see since light rays can travel an infinite distance, McCulley says.
minus-squareOfCourseNotlinkfedilink1•4 hours agoLight emitted farther than 46 billion light years away will never reach you. While traveling an infinite distance the universe expands faster, and light emitted not that far will get so red-shifted that it won’t be visible anymore.
Just googled it now, and I’m seeing the “3 miles” number thrown around a lot.
https://science.howstuffworks.com/question198.htm
That’s just weird. The question is about the eye. And the primary “answer” they give is about the geometry of our planet.
Edit: At least the real answer is somewhere further down in the text:
Light emitted farther than 46 billion light years away will never reach you. While traveling an infinite distance the universe expands faster, and light emitted not that far will get so red-shifted that it won’t be visible anymore.