It is well known for the Good Housekeeping Seal, popularly known as the Good Housekeeping Seal of Approval.. The magazine was founded May 2, 1885 by Clark W. Bryan in Holyoke, Massachusetts. The magazine achieved a circulation of 300,000 by 1911, at which time it was bought by the Hearst Corporation.
Gravity, Forces, magnetism. Jupiter's moons stay in orbit because gravity pulls them towards Jupiter. it mainly happens like a game of tug of war. Two forces are included, one pulls the moons towards Jupiter, the other one pulls them towards space.
Of Jupiter's moons, eight are regular satellites, with prograde and nearly circular orbits that are not greatly inclined with respect to Jupiter's equatorial plane.he first claimed observation of one of Jupiter's moons is that of the Chinese astronomer Gan De around 364 BC. However, the first certain observations of Jupiter's satellites were those of Galileo Galilei in 1609.