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Drake's Equation 3rd parameter n_e: What is the average number of habitable planets per star?
4.53e-2
26
11 comments
11
Fermi Paradox Series
Will Planet Nine be discovered before 2030?
20%
19
18 comments
18
By 2100, will 2 national space agencies conclude that an interstellar object in our solar system has a non-human artificial origin?
5%
5
1 comment
1
The ʻOumuamua Paradox and the Nature of Interstellar Objects
12
2 comments
2
Metaculus Journal
When will successful sample return missions occur for the following destinations?
Outer planets
Jan 1, 2036
Venus
Jan 1, 2036
Mars
Jul 25, 2033
8
13 comments
13
🛰 The Sagan Space Tournament 🛰
When will there be a round trip crewed mission to Neptune's orbit?
2111-04-18
6
48 comments
48
Before January 1, 2030 will any public or private space company announce plans to reach "Oumuamua"?
5%
4
1 comment
1
Has new a planetary-mass object been discovered in the outer solar system?
Resolved :
No
9
2 comments
2
Will the IAU-sanctioned Exoplanet Names come into regular use?
Resolved :
No
9
10 comments
10
Will "Planet Nine" be discovered in 2016?
Resolved :
No
47
23 comments
23
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