387
4/10 right · avg 6.6s · 17d 22h ago
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The ten questions
The answers stay hidden. Play the pack to try them yourself.
- 1Space › Space ScienceHardInterstellar scintillation makes compact radio sources appear to do what?Wrong9.0s0
- 2Space › MoonsVery hardSaturn's outer moon Phoebe is unusual among the larger moons because it does what?Wrong8.7s0
- 3Space › Space ScienceEasyAbout how many days does it take Earth to orbit the Sun?Right2.1s+100
- 4Space › Night SkyMediumWhich three bright stars make up the Summer Triangle?Wrong8.5s0
- 5Space › PlanetsEasyWhich planet is best known for its bright, wide rings?Right2.1s+100
- 6Space › StarsMediumObservations of which exploding stars revealed cosmic acceleration in 1998?Wrong8.4s0
- 7Space › MoonsExpertThe far-side lunar crater Tsiolkovsky stands out because of what?Right8.5s+90
- 8Space › PlanetsHardThe thin atmosphere of Mars is mostly which gas?Right3.7s+97
- 9Space › GalaxiesHardRoughly how wide is the Milky Way?Wrong8.0s0
- 10Space › MoonsMediumIn the giant-impact theory of the Moon's origin, what is the impacting body called?Wrong6.9s0