4 ms·
I'm no astrophysicist, but I presume the photo would be of the past? Anyone good at math able to say how far in the past a photo would be?
by neom 7y ago
I'm no astrophysicist, but I presume the photo would be of the past? Anyone good at math able to say how far in the past a photo would be?
- Sharlin 7y agoWell, assuming the probe is even going to carry an imager of any sort. Not much to photograph at 1000 AU. Anyway, 1000 AU equals about 138 light-hours, or 5.7 light-days, so that's how long sunlight would have taken to reach the probe at that distance.
- deleted 7y ago[deleted]
- tobylane 7y ago5.7 days https://www.wolframalpha.com/input/?i=1000+au+in+light+days https://www.wolframalpha.com/input/?i=1000+au+in+light+days
- mikeash 7y agoAll photos are of the past.