News for hackers. Stuff that matters.

A comment on Researcher discovers another astronomy book written by Galileo Galilei. Parent comment

Re:Researcher discovers another astronomy book written by Ga... by BurningFrog on Thursday October 13, 2022 @11:19AM (#33192243)
We can't bounce signals off the sun, but we can do "interplanetary radar" bouncing signals off at least the nearby planets.

Knowing those distances, the distance to the sun becomes a trigonometry problem.

[ Parent | on HN ]

There are no comments on this comment yet.