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Science
In reply to the discussion: Voyager 1 has left the solar system, sudden changes in cosmic rays indicate [View all]ladjf
(17,320 posts)56. My guess is there are probably many objects in space launched by other life forms. But, it is high
unlikely that any human will ever observe one in any way. Humans will be gone from Earth within a couple hundred millions years if not a lot sooner. The Universe is a really big structure.
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Voyager 1 has left the solar system, sudden changes in cosmic rays indicate [View all]
Ichingcarpenter
Mar 2013
OP
Launched in 1977! Back when we built things right, I guess. I just graduated for HS. Amazing. et
Purveyor
Mar 2013
#52
35 years to travel 17 light hours. We're still a long way from being interstellar travelers.
leveymg
Mar 2013
#54
I wonder how many of these types of things, built by other species, are wandering the universe
MNBrewer
Mar 2013
#14
My guess is there are probably many objects in space launched by other life forms. But, it is high
ladjf
Mar 2013
#56
Not quite yet. According to NASA, it won't happen for another 14,000 years. Still in the Oort Cloud.
NYC Liberal
Mar 2013
#41