5 ms·
Can someone ELI5 for me?
by garettmd 4y ago
Can someone ELI5 for me?
- MattPalmer1086 4y agoUse the sun's gravity as a giant lens (bends light) so you can see a really long way away. But the focal point of this lens is about 500 times the distance of the earth to the sun, so difficult to get to.