The Milky Way panorama by European Southern Observatory
Steinn Sigurðsson recently spent a weekend considering exoplanets and extraterrestrials at the Second SETI Conference in California. He writes, "It is important to remember that while science and discovery is important, it is not the…
Final session of ExSSII on Earths, Super-Earths and Habitability
Dimitar Sasselov - high density exoplanets
HAT-P-20b - 14 gm/cc - hot 7 M_J giant planet, no prob modeling as degenerate H/He core
Kepler-10b - 9 gm/cc - rocky
Earth's central density 13 gm/cc
Super-Earths expected to…
Kepler team has another excellent visualization of their discoveries.
An orrery of the currently known multi-planet systems, as a youtube animation.
Dan Fabrycky put this up
h/t Marketing for Scientists
“Pluto was part of their mental landscape, the one they had constructed to organize their thinking about the solar system and their own place within it. Pluto seemed like the edge of existence. Ripping Pluto out of that landscape caused what felt like an inconceivably empty hole.” -Mike Brown