... The previous section told how Hipparchus estimated the Moon's distance, by using an eclipse of the Sun to establish that the Moon had a parallax of about 0.1 degrees when viewed from sites 1000 km apart. ...
... the chaotic surface of Jupiter's frozen moon Europa, images from NASA's Galileo ... first time we've seen actual ice flows on any of the moons of Jupiter," said Greeley ...
... of: (1) lunar gamma- and X-ray emissions in order to determine the Moon's chemical composition; (2) lunar gravitational anomalies; (3) the concentration of meteorite streams near the Moon; and, (4) the intensity of hard corpuscular radiation near the Moon ...
... U nlike the Moon, however, the craters are quite flat, lacking the ring mountains and central depressions common to craters on the Moon and Mercury . ...
... Moon (closest approach to the Moon was 6,200 kilometers or 3,850 miles) and was stabilized while in optical view of the far ... moon not seen well or never seen from the earth, such as the limb and farside of the moon, to gain knowledge of the ...
... Moon across the sky, and the reason the Moon sometimes comes in front of the Sun ... Moon, which is between them, also must be in the plane. (b) In an eclipse of the ...