- published: 18 May 2015
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The Moon completes its orbit around the Earth in approximately 27.3 days (a sidereal month). The Earth and Moon orbit about their barycentre (common centre of mass), which lies about 4600 km from Earth's centre (about three quarters of the Earth's radius). On average, the Moon is at a distance of about 385000 km from the centre of the Earth, which corresponds to about 60 Earth radii. With a mean orbital velocity of 1,023 m/s, the Moon moves relative to the stars each hour by an amount roughly equal to its angular diameter, or by about 0.5°. The Moon differs from most satellites of other planets in that its orbit is close to the plane of the ecliptic, and not to the Earth's equatorial plane. The lunar orbit plane is inclined to the ecliptic by about 5.1°, whereas the Moon's spin axis is inclined by only 1.5°.
The properties of the orbit described in this section are approximations. The Moon's orbit around the Earth has many irregularities (perturbations), whose study (lunar theory) has a long history.
Robert George "Joe" Meek (5 April 1929 Newent, Gloucestershire – 3 February 1967 in London) was a pioneering English record producer and songwriter.
His most famous work was The Tornados' hit "Telstar" in 1962, which became the first record by a British group to hit #1 in the US Hot 100. It also spent five weeks atop the UK singles chart, with Meek receiving an Ivor Novello Award for this production as the "Best-Selling A-Side" of 1962.
Meek's other notable hit productions include "Don't You Rock Me Daddy-O" and "Cumberland Gap" by Lonnie Donegan (as engineer), "Johnny Remember Me" by John Leyton, "Just Like Eddie" by Heinz, "Angela Jones" by Michael Cox, "Have I the Right?" by The Honeycombs, and "Tribute to Buddy Holly" by Mike Berry. Meek's concept album I Hear a New World is regarded as a watershed in modern music for its innovative use of electronic sounds.
Joe Meek was also producing music for films, most notably Live It Up! (US title Sing and Swing), a 1963 pop music film starring Heinz Burt, David Hemmings and Steve Marriott, also featuring Gene Vincent, Jenny Moss, The Outlaws, Kim Roberts, Kenny Ball, Patsy Ann Noble and others. Meek wrote most of the songs and incidental music, much of which was recorded by The Saints and produced by Meek.