Colonization of the outer Solar System the Solar System's gas giant planets for exploration and possibly mining of helium-3, which could have a very high value per unit mass as a thermonuclear fuel. The Jovian system in general has particular disadvantages for colonization, including its severe radiation environment and its particularly deep gravity well. Its radiation would deliver about 3,600 rems per day to unshielded colonists on Io and about 540 rems per day to unshielded colonists on Europa. Exposure to about 75 rems over a few days is enough to cause radiation poisoning, and about 500 rems over a few days is fatal. Jupiter itself,
Gravity (Our Lady Peace album) Gravity (Our Lady Peace album) Gravity is the fifth studio album by the Canadian rock band Our Lady Peace. It was released on June 18, 2002 by Columbia Records in North America. The album became a worldwide success, charting highly both in Canada and the United States with the hit singles "Somewhere Out There" and "Innocent". The album title, "Gravity", was inspired by the chorus lyrics "Falling back to me, defying gravity" from the track "Somewhere Out There". At the time of the album's release, OLP drummer Jeremy Taggart said that "Gravity" was "by far [their] best album". "Gravity" was