3 ms·
The laster travelled over 30 million km to be received by a dish of 20m^2 in area [1]. This makes me wonder: what fraction of the transmitted signal made it to
by tromp 3y ago
The laster travelled over 30 million km to be received by a dish of 20m^2 in area [1].
This makes me wonder: what fraction of the transmitted signal made it to that dish, i.e. how much does the beam disperse over that distance?
[1] https://en.wikipedia.org/wiki/Hale_Telescope https://en.wikipedia.org/wiki/Hale_Telescope
- codezero 3y agoThey also mention the video was sent on a loop, so I wonder how many loops it took to collect every frame.
- Sporktacular 3y agoIf they received at 267 Mb/s that's probably faster than necessary for realtime decoding.
- sansseriff 3y agoThe laser spot can reach half the size of the continental united states. Though I'm not sure how large it is now because psyche is still relatively close to earth.