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Metaculus is an online forecasting platform focusing on topics of global importance.

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Will we know what Dark Matter is before 2050?

58% chance

29
2424 comments
207
207 forecasters
58%chance

By 2100, will 2 national space agencies conclude that an interstellar object in our solar system has a non-human artificial origin?

1% chance

5
0 comments
51
51 forecasters
1%chance

If life is discovered in the solar system before 2050, where will it be first discovered?

16
2222 comments
114
114 forecasters

A NYT article this year that discusses aliens as a possible explanation for an astronomical phenomenon?

result: no

8
1818 comments
124
124 forecasters
ResolvedNo

What will be the estimated number of break-ups, explosions, collisions, or anomalous events resulting in fragmentation in space as of January 1, 2030?

1154 events (798 - 1884)

8
0 comments
43
43 forecasters
1154 events
(798 - 1884)

What will be the mass in eV of the next fundamental particle to be discovered?

2.56T eV (<100B - 417T)

8
99 comments
26
26 forecasters
2.56T eV
(<100B - 417T)

Will we observe a supernova in the Milky Way Galaxy before 2050?

70% chance

13
1111 comments
60
60 forecasters
70%chance

Will a space-based interferometer detect a gravitational wave background attributable to cosmological sources?

51% chance

6
55 comments
19
19 forecasters
51%chance

To the Stars! #4: Do Potentially Habitable Planets exist in orbit around Alpha Centauri A or B?

result: no

83
2424 comments
301
301 forecasters
ResolvedNo

To the stars! #1: Will the private investment in laser-sail extra-solar travel be matched by a comparable amount within 5 years?

result: no

38
1616 comments
170
170 forecasters
ResolvedNo

More attention to potential evidence for a fifth fundamental force?

result: no

4
33 comments
35
35 forecasters
ResolvedNo

Before January 1, 2030 will any public or private space company announce plans to reach "Oumuamua"?

0.1% chance

6
11 comment
27
27 forecasters
0.1%chance

Will Planet Nine be discovered before September 30, 2024?

result: no

6161 comments
34
34 forecasters
ResolvedNo

Five years after AGI, will quantum gravity be solved?

12% chance

8
44 comments
50
50 forecasters
12%chance

Five years after AGI, will another spacecraft have overtaken Voyager 1 as the farthest spacecraft from Earth?

1% chance

6
66 comments
45
45 forecasters
1%chance

Will the maximum speed of a human spacecraft reach at least 66,000 km/s (0.22 times the speed of light) by 2075?

17.3% chance

3
1111 comments
18
18 forecasters
17.3%chance

Conditional on civilization launching one or more von Neumann probes by 2200 that will reach another solar system within 100,000 years, what will be the average speed of the fastest one, in c?

0.12 c (0.0156 - 0.351)

6
1414 comments
9
9 forecasters
0.12 c
(0.0156 - 0.351)

Conditional on civilization launching one or more von Neumann probes by 2200 that will reach another solar system within 100,000 years, what will be the average speed of the fastest one, in c (> 1)?

193 c (1.33 - 125k)

9
1717 comments
4
4 forecasters
193 c
(1.33 - 125k)

How close to Earth will the next 10 Interstellar Objects pass?

0.547 AU (0.311 - 1.1)

3
2020 comments
21
21 forecasters
0.547 AU
(0.311 - 1.1)

How many interstellar objects will be identified by the Vera Rubin Observatory is its first two years of observations?

6.33 objects (1.55 - 7.14)

2
88 comments
16
16 forecasters
6.33 objects
(1.55 - 7.14)

Will Planet Nine be discovered before 2030?

12% chance

19
2323 comments
133
133 forecasters
12%chance

Will Stephen Wolfram, Jonathan Gorard, or Max Piskunov receive the Nobel prize in physics before 2036?

1% chance

11
1515 comments
129
129 forecasters
1%chance

Will the majority of leading cosmologists in 2021 agree that the evidence points to an accelerating universe?

93% chance

12
1010 comments
77
77 forecasters
Ambiguous

Will the majority of leading cosmologists in 2030 agree that the evidence points to an accelerating universe?

99% chance

11
99 comments
95
95 forecasters
99%chance