New toys = new science Ever since 1610, when Galileo used the first telescope to discover four moons on Jupiter, astronomy has been a tinkerer's art.
(astronomy; has been; a tinkerer's art; T:Ever since 1610) (Galileo; used; the first telescope; to discover four moons on Jupiter; T:1610) Context(Galileo used,List([45, 57))):(Galileo; used the first telescope to discover; four moons; L:on Jupiter)
Galileo used,List([45, 57))
astronomy Galileo Galileo
has been used used the first telescope to discover
a tinkerer's art T:Ever since 1610
the first telescope to discover four moons on Jupiter T:1610
four moons L:on Jupiter