Xplore With MJ

Eleven times wider than Earth. Over 300 times more massive. And a million times more terrifying. Jupiter looks like a beautiful ball of swirling clouds, but on the inside, it's a gaseous hell. But what if things took a different turn for the king of the Solar System? What if Jupiter wasn't a gas giant at all? What if, instead, it was a rock giant?

Fifty thousand years ago, a space rock slammed into Earth and made a big boom. The largest, almost the oldest, the most terrifying space event on our planet's record. Two billion years ago, a gigantic asteroid slammed into where South Africa is today. It obliterated everything. It likely changes the Earth's climate. It most definitely killed whatever lived here long before the dinosaurs.

Welcome to your body without bones. This essential part of your anatomy has suddenly gone. What happens now? How would this make you incredibly sick? And how long would you last as a boneless blob?

If time travel is possible, why haven't we met a single time traveler yet? And if we did meet one, how would we know they weren't faking it? What would their time machine look like? And how would it operate? Would there be a set of rules for time travelers to follow? And what would happen if they decided to break them?

What would the outcome be if you took a leap of faith straight into a black hole? We looked to Einstein and Hawking to ponder the scenario. Say one day you were exploring space looking for a new planet for humans to inhabit, but came across a black hole and decided – why not check it out? Would you have any chance of survival? How would you get out if at all? Would you find a shortcut to another universe? Watch the video to learn about what would happen if you fell into a black hole.