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.
When Galileo discovered that because jupiter had moons that orbited it and because jupiter orbited the sun, then that would mean that the same laws of physics that allow jupiter to keep its moons would also apply to the earth, allowing the earth to orbit the sun and keep its moon.