Cosmological theories live or die by their predictions

Cosmological theories live or die by their predictions -...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Cosmological theories live or die  by their predictions. Astrophysicists George Smoot and  John Mather proposed to seek the tiny differences from uniformity in the cosmic background radiation  that the inflationary theory predicted, and NASA built a costly satellite that could do the job. In 1992  they reported finding wrinkles in the background radiation, of the size predicted for seeds out of  which our complex universe grew. A “Map of the Early Universe” as seen by NASA’s Cosmic Background  Explorer (COBE) satellite This false-color image shows tiny variations in  the intensity of the cosmic microwave background, “fossils” of the  random fluctuations within the Big Bang fireball in its first moment of  existence. In the 1930s, maverick  astronomer Fritz Zwicky  (above) insisted that  galaxies harbor a huge  quantity of unseen  matter. Half a century 
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.

Page1 / 2

Cosmological theories live or die by their predictions -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online