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Madonna - Nothing Really Matters (Album Version), 1998. Written by Madonna herself along with Patrick Leonard and production was handled by Madonna, William Orbit and Marius De Vries.

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from Education.com

Orbital Speed: How Do Satellites Orbit?

Orbital Speed: How Do Satellites Orbit? Experiment | Education.com

XKCD "WHAT IF" is generally awesome, but today was particularly awesome for those of us who like math and like The Proclaimers and think space is really cool... so me.

from Education.com

Orbital Speed: How Do Satellites Orbit?

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