Crop Circles. Exopolitics. UFO General. ...Du paranormal, phénomènes inexpliqués. Search for extraterrestrial intelligence. Ancient Alien Theories. UFO. Top Exoplanets for Alien Life: Photos. The Basics First, let's lay out some basic criteria. Kepler hasn't identified many rocky worlds and a solid surface is essential for life to take root. Size matters: The mass of the planet helps astrophysicists infer what it's made of. Some planets are Earth-sized.
Others are several times the size of our planet. And then there are gas giants, which can range from "Neptune sized" to "super-Jupiters. " Orbit: To support life, a planet must be in a stable orbit around its star -- no planets with wonky orbits that will eventually dump them into their star for a fiery death. Goldilocks Zone: This is a region not too hot or too cold that gives the planet enough distance from its parent star to have liquid water, key for life.
Loner Stars: Single stars make better parents. Unknowns: Some factors for life can't be confirmed one way or the other from the data available about extrasolar planets. BUT, some planets do have a head-start, beginning with Gliese 581D. Davidicke. Chernobyl Nuclear Disaster Site Presents Renewed Threat. If you believe Hollywood, or its contemporary bodies around the world, radiation poisoning holds the potential to create anything from giant city-destroying lizards to a new race of humans, replete with exotic mutations making them capable of miraculous feats in defence of justice.
As you may have guessed, however, reality is seldom that poetic. The nuclear threat has long been in the forefront of our minds. Since that first fateful detonation on the heavy weapons proving grounds of New Mexico’s shadowy military installations in 1945, which eventually culminated in the horrifically destructive nuclear attacks on the Japanese cities of Nagasaki and Hiroshima during World War II, the full extent of the danger posed by nuclear weapons has been notoriously well known to virtually everyone on the planet. The fear inspired by the danger has taken many forms over the decades since, and as Oscar Wilde opined “Life imitates Art far more than Art imitates Life.” Prypiat, near Chernobyl.