Wednesday, September 17, 2014

What Is the Universe? Real Physics Has Some Mind-Bending Answers

 

Figuring out the mysteries of the universe, one galaxy collision at a time.
 
Science says the universe could be a hologram, a computer program, a black hole or a bubble—and there are ways to check

The questions are as big as the universe and (almost) as old as time: Where did I come from, and why am I here? That may sound like a query for a philosopher, but if you crave a more scientific response, try asking a cosmologist.

This branch of physics is hard at work trying to decode the nature of reality by matching mathematical theories with a bevy of evidence. Today most cosmologists think that the universe was created during the big bang about 13.8 billion years ago, and it is expanding at an ever-increasing rate. The cosmos is woven into a fabric we call space-time, which is embroidered with a cosmic web of brilliant galaxies and invisible dark matter.

It sounds a little strange, but piles of pictures, experimental data and models compiled over decades can back up this description. And as new information gets added to the picture, cosmologists are considering even wilder ways to describe the universe—including some outlandish proposals that are nevertheless rooted in solid science:

For the rest of the story: http://www.smithsonianmag.com/ist/?next=/science/what-universe-real-physics-has-some-mind-bending-answers-180952699/

No comments:

Post a Comment

Related Posts Plugin for WordPress, Blogger...