Astronomers are puzzling over the formation and evolution of a slew of recently discovered massive planets that closely orbit stars near the solar system. Boss, A.P. 1998. Evolution of the solar nebula. Giant gaseous protoplanet formation. Two teams find planet orbiting nearby star .
Astronomers find long-period planet.
One way into the hot seat. Some like it hot. Extrasolar planets emerge from the dark. Murray, N., et al .