What will be the estimated number of break-ups, explosions, collisions, or anomalous events resulting in fragmentation in space as of January 1, 2030?1043 events (729 - 1814)80 comments4646 forecasters1043 events (729 - 1814)
Will there be a Nobel Prize in Physics awarded for work in string theory before 2050?8% chance1355 comments6969 forecasters8%chance
PhilPapers survey mini-series: The many-worlds interpretation of quantum mechanics32.7 (22.4 - 45.1)422 comments5757 forecastersResolved19.42
Will the existence and smoothness properties of the Navier-Stokes equations in three dimensions turn out to depend on the compactness of the universe over which they are defined?45% chance20 comments1010 forecasters45%chance
Will most dark matter turn out to be primordial black holes?5% chance141010 comments6666 forecasters5%chance
Will a space-based interferometer detect a gravitational wave background attributable to cosmological sources?53% chance655 comments1818 forecasters53%chance
A NYT article this year that discusses aliens as a possible explanation for an astronomical phenomenon?result: no81818 comments124124 forecastersResolvedNo
Will Stephen Wolfram, Jonathan Gorard, or Max Piskunov receive the Nobel prize in physics before 2036?1% chance111515 comments130130 forecasters1%chance
Will the majority of leading cosmologists in 2030 agree that the evidence points to an accelerating universe?99% chance1199 comments9494 forecasters99%chance
Will the eventual consensus explanation of star KIC 8462852 variability be an intervening molecular cloud?38% chance81010 comments3838 forecasters38%chance
To the stars! #2: Mountaintop lasers, rockets, optics and wafers? Or something else?result: no271414 comments132132 forecastersResolvedNo
Vacuum birefringence probably found near neutron stars: more research to come?result: yes877 comments3131 forecastersResolvedYes
Can quantum gravity be interestingly constrained using tabletop experiments?result: no1066 comments5757 forecastersResolvedNo
Resolution of the Density Conjecture for Newton's N-body problem35% chance151818 comments8888 forecasters35%chance