From Armageddon to the Day After Tomorrow, there have been plenty of Hollywood movies about how our world might end. Runaway greenhouse effect can transform a temperate habitable planet with surface liquid water ocean into a hot steam dominated planet hostile to any life Today, Venus is the warmest planet in the solar system, with a surface hot enough to …
An international team of researchers has identified five objects that have masses near the border separating stars and "brown dwarfs" that could help scientists understand the nature of these mysterious objects. "We still do not know exactly where the mass limits of brown dwarfs lie, limits that allow them to be distinguished from low-mass stars that can burn hydrogen for …
