Terrestrial planet Terrestrial planet A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals. Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth ("Terra" and "Tellus"), as these planets are, in terms of structure, "Earth-like". Terrestrial planets have a solid planetary surface, making them substantially different from the larger giant planets, which are composed mostly of some combination of hydrogen, helium, and water existing in various
Emergency on Planet Earth (song) Emergency on Planet Earth (song) "Emergency on Planet Earth" is the fourth and final single released from British funk/acid jazz band Jamiroquai's debut studio album, "of the same name". The song was written by Jay Kay, and has a very environmentalist tone, urging the listener to "stop modernisation going on." The track peaked at #14 on the UK Singles Chart, and at #4 on the U.S. Dance Chart. A remix of the song, which uses a completely different bass track and intro, and includes some changes in the arrangements, was featured on the single, and in the music video for