#SolarSystem facts : The Solar System consists of the #Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. 99.86% of the system’s mass is in the Sun.
NASA Space Sounds - Information about the recordings and sample sounds of the planets, moons and rings of planets in our Solar System. [Note: both Song of Earth and Voice of Earth are man made compositions of the original Earth recordings.] For live 24hr sound from space, see: http://www.radio-astronomy.net/