Six cosmic catastrophes that could wipe out life on Earth

view If you ask yourself what the biggest threat to human existence is you’d probably think of nuclear war, global warming or a large-scale pandemic disease. But assuming we can overcome such challenges, are we really safe? Living on our blue little planet seems safe until you are aware of what lurks in space. The following cosmic disasters are just a few ways humanity could be … Continue reading Six cosmic catastrophes that could wipe out life on Earth

The Milky Way’s black hole is spewing out planet-size ‘balls’

modafinil online south africa       Every few thousand years, an unlucky star wanders too close to the black hole at the center of the Milky Way. The black hole’s powerful gravity rips the star apart, sending a long streamer of gas whipping outward. That would seem to be the end of the story, but it’s not. New research shows that not only can the gas gather itself … Continue reading The Milky Way’s black hole is spewing out planet-size ‘balls’