... It isn't the first extrasolar planetarysystem to be discovered; the first planet outside our own solar system orbiting a normal Sunlike star was discovered in 1995. ...
... It's usually dangerous to extrapolate, but it's easy to imagine that if one planetarysystem is so close, the Galaxy must be littered with them. ...
... It's usually dangerous to extrapolate, but it's easy to imagine that if one planetarysystem is so close, the Galaxy must be littered with them. ...
... In 1997 that theme was the solar system. ... Most people like to think of the solar system as relatively unchanging in its ways. ... Sun in the same plane; that is, seen edge on the solar system is very nearly flat ...
... Bad Astronomy : Planetary alignments will cause earthquakes. ... Good astronomy : Planetary alignments have relatively little to do with earthquakes. ... start popping up and talking about the planets in the solar system lining up ...
... Ceres, the largest asteroid in the solar system is about 900 kilometers in diameter. ... my old friend Dan Durda , who works at the Lunar and Planetary Laboratory in Arizona ...
... This is the all-too-common confusion of ``galaxy'' with ``solar system''. ... Sun is the only star in our solar system, which is comprised of the Sun, the planets ... a dense wind of gas, which forms a planetary nebula , and the Sun itself is doomed ...
... archive used to be a fairly closed system; you could access it only through special ... the prettier datasets, including images of solar system objects (I like Venus), cool ...
... Further, that in that extremely ancient ocean -- the only other planetary "near-by" liquid water that may have persisted from the beginnings of the solar system (other than on Earth)-- . ...
... Most of the planets in the solar system also orbit the Sun very near the same plane the Earth does, so it's a convenient system to use for solar system objects. ...