... of this material should be familiar to planetary scientists and astronomers but they may find a few interesting tidbits, too ... StarChild , A learning center for young astronomers . ...
... Astronomers using NASA's Hubble Space Telescope (HST) have identified the presence of an extremely tenuous atmosphere of molecular oxygen around Jupiter's second moon, Europa . ...
... The priests of ancient Babylonia and Egypt were also pioneer astronomers. ... But it was a Greek astronomer, Hipparchus of Nicea , who made the first major new ... Ancient astronomers had no good clocks and could not tell when the day and night had ...
... shift the position of the Moon in the sky, helping astronomers estimate its distance ... site of the court of the German emperor Rudolf--and there he became court astronomer ...
... Discover how Aristarchus, a Greek astronomer around 230 BC, used a simple ... Stories and extras: About Aristarchus, an early Greek astronomer. ... Stargazers" comes back to this astronomer in section (9a) in connection with his ...
... elsewhere in Germany a serious amateur astronomer named Heinrich Schwabe (Shwah-bay ... found something that had eluded all astronomers of the preceding two centuries ...