Space/Science — HabitableZone

Space/Science » in reply to Re: Odds are surprisingly high

Re: Odds are surprisingly high

No, we can't tell the inclination from the wobble. The old i*sine(i) problem. Yields a minimum mass for the suspected planet.

The wobble technique is slow and limited to a couple hundred LY (brightness of the solar type star at that distance) with Keck sized scopes.

Kepler et. al. look at rich star fields full of a million + stars and play the stats game of detecting that low percentage of stars with REPEATABLE occultations that dim the star. An Earthlike planet should see 3 occultations. If the star is approximately solar brightness, that's 3 years of watching.

Log in or register to post.

The whole thread (23 posts)