he was shown the instruments of
torture and forced to stop looking
at the stars and remain silent about
the motions of the planets around
the Sun. He was pardoned in 1992
by Pope John Paul II. You can have
all these delights for free unless
you decide to subscribe. There are
no instruments of torture… just £5
per month.
Jupiter and with some effort appreciate the first measurements of the
velocity of light, since the time of
disappearance of a moon behind
Jupiter can be measured exactly
and so can the orbital period. We
need to add on the time the light
takes to get to us; the distance
from Jupiter to the Earth varies by
the diameter of the Earth’s orbit:
about 16 minutes in light time as
we circle the Sun. You can enjoy
a foray into the history of science
and much more with the robotic
telescope. For Galileo, he achieved
everlasting fame, but in his lifetime,
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