Trash star 3 EP
HD 21931
RA 53.5540° · Dec 48.6175° · star
Score breakdown
· 1 badgeTrash 15 pts → Common
- Star +3
Total score 3
12 more points to reach Common.
Badges
- Star · +3
Trivia
Could we get there?
- Verdict. Hopelessly far for any craft humanity can build today.
Getting there
- Aboard Voyager 1. ≈ 15 million years at Voyager 1's speed (17 km/s).
- Fastest probe ever. ≈ 1.3 million years even at the Parker Solar Probe's 192 km/s.
- At 10% light speed. ≈ 8516 years in a starship at a tenth of light speed.
- Distance. 852 light-years from Earth.
Look-back time
- Look-back time. The light you'd see left around the year 1174.
Saying hello
- Say hello. A radio message and its reply would take 1703 years round-trip.
Properties
- absmag
- 0.266
- bv
- 0.038
- constellation
- Per
- dist ly
- 851.5822
- mag
- 7.35
- name
- HD 21931
- spect
- B9V