Cosmology If gravitational waves come from two massive objects orbiting each other, then does the Earth-Moon system create gravitational waves? What frequency would they have?
Exoplanets, Planets, Solar System How can astronomers be sure that Pluto is larger than Eris? Could we get a different number for Eris’ size once it’s visited by a spacecraft?
Exoplanets, Planets, Solar System Why haven’t we sent a microphone to Mars, or any other planet for that matter?
Cosmology What if there were two gravitational wave sources coming from different directions? Would there be an interference pattern?
Solar System Are impactors more prevalent in the outer solar system than they are in the inner solar system? Does this affect how surface ages are estimated?
