fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 3 months agoSecondsmander.xyzimagemessage-square79fedilinkarrow-up1723arrow-down110
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minus-squareAllero@lemmy.todaylinkfedilinkEnglisharrow-up5·3 months agoThey normally use parallax-seconds, i.e. parsecs, for long distance objects.
minus-squarem0darnlinkfedilinkEnglisharrow-up2·3 months agoI think you need to be more specific than ‘long distance’, yes they use parsecs for ‘long distances’ but I believe only for intra-galactic objects. I think other galaxies are too distant for parallax seconds to be useful.
minus-squareAllero@lemmy.todaylinkfedilinkEnglisharrow-up1·3 months agoFair! Thanks for this bit of clarification
They normally use parallax-seconds, i.e. parsecs, for long distance objects.
I think you need to be more specific than ‘long distance’, yes they use parsecs for ‘long distances’ but I believe only for intra-galactic objects. I think other galaxies are too distant for parallax seconds to be useful.
Fair!
Thanks for this bit of clarification