[DOC] [TLE] The Cycles of the Moon - WebAssign [PAR] The cycle of the moon is one of the most obvious phenomena in the sky. ... 
Ancient civilizations saw the same cycle of phases that you see (Figure 3-3), and 
even ... it through the umbra of Earth's shadow, and you see a total lunar eclipse (
Figure 3-5). ... It happens that the sun is 400 times larger than our moon and, on 
the... [DOC] [TLE] Astronomy Notes 2 - Motions of the Sun and the Moon [PAR] Figure 1. The path of the Sun, the ecliptic, shown relative to the background stars 
and ... Figure 3. The apparent motion of the Sun amongst the stars is due to the 
.... the shift of these things noticeable, it was known to ancient astronomers, 
though .... The New and Full phases occur during times when the Earth, Moon 
and Sun... [DOC] [TLE] AST 101: Homework Solutions [PAR] Ancient people studied astronomy to keep track of time and seasons, which was 
... 3. Momentum is the mass of an object multiplied by its velocity. Momentum can 
be ... Since the Earth's mass is more than the mass of the Moon, one would fall 
..... The extra-solar planets that have been found are bigger than Earth since the... [DOC] [TLE] Science of Astronomy [PAR] Stories and myths developed around these familiar objects in the sky and the 
patterns ... They counted about 360 days between the times when a favorite 
bright star, ... This gave astronomers the power to predict the timing of important 
events for ... suggested to Aristarchus that the Earth had to be much bigger than 
the Moon. [DOC] [TLE] Understanding Astronomy: The Moon and Eclipses - Physics [PAR] The moon's motion through our sky is similar to that of the sun, but different: ... 
However, whereas the sun creeps eastward only one degree per day with 
respect ... Just looking at these phases, therefore, tells us immediately that the 
moon must .... Specifically, the diameter of earth's shadow is a little less than 
three times the... [DOC] [TLE] JEOPARDY! Game - January 12, 2004 [PAR] (7) Ancient astronomers figured the Earth was 3 times larger than the Moon by 
timing one of these. $800 - Ron. (2) 1990 festivities for the 20th anniv. of this... [DOC] [TLE] Six stages in the history of the astronomical unit [PAR] Figure 1 shows the AD 900 to 1980 subset of astronomical unit values, whilst .... 
that depended upon the timing of the phases of lunar eclipses, and these timings 
led ... 19 times further away from Earth than the Moon (and thus that the solar 
parallax ..... Venus transited and transits the Sun on 1761 June 5; 1769 June 3; 
1874... [DOC] [TLE] Diameter of the Moon - Practical Physics [PAR] Class Practical An estimate of the diameter of the Moon using a photograph of a 
lunar ... is 2.5 Moon diameters wide out at the Moon (found by rough timing 
methods). ... (For the purist, these times are arrived at by using information which 
we are ... radius of the Earth is one moon diameter larger than its shadow of the 
Moon. [DOC] [TLE] Famous Astronomers - StarTeach Astronomy Education [PAR] One of his greatest contributions was the fact that he was the first to ... According 
to him, the Sun, the Moon, the planets, and the stars travel in separate spheres. ... 
Aristotle (384-322 B.C., Greek), the great philosopher, proved that the Earth is ... 
B.C., Greek) is widely considered to be the greatest astronomer of ancient times. [DOC] [TLE] Full text of "1001 Questions Answered about Astronomy" [PAR] A good round figure of 93,000,000 miles is probably as safe to use as any. .... At 
such times, the bulk of the Moon passes between the Earth and the Sun, and the 
.... A spot larger than 25,000 miles in diameter can be seen, with a protective filter
, ... The cycle of sunspots is one of the most interesting studies in astronomy. [DOC] [TLE] On the

Question: Ancient astronomers figured the Earth was 3 times larger than the moon by timing one of these
Answer: an eclipse