The Science of the Cosmic Microwave Background

“The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to -271.3°C, not much good for defrosting the pizza, let alone cooking it.” –Stephen Hawking One of the most powerful predictions of the Big Bang — the … Read moreThe Science of the Cosmic Microwave Background

What The Entire Universe Is Made Of, Thanks to Planck!

“Much later, when I discussed the problem with Einstein, he remarked that the introduction of the cosmological term was the biggest blunder he ever made in his life. But this “blunder,” rejected by Einstein, is still sometimes used by cosmologists even today, and the cosmological constant denoted by the Greek letter Λ rears its ugly … Read moreWhat The Entire Universe Is Made Of, Thanks to Planck!

What Everyone Should Know about the Universe on the eve of Planck

“Scientific discovery and scientific knowledge have been achieved only by those who have gone in pursuit of it without any practical purpose whatsoever in view.” –Max Planck Tomorrow morning, at 8 AM my time, the press conference that cosmologists have spent the past decade waiting for will finally happen, and the Planck satellite — the … Read moreWhat Everyone Should Know about the Universe on the eve of Planck

How many colors are really in a rainbow?

“The colors of a rainbow so pretty in the sky. Are also on the faces of people going by.” -Louis Armstrong It’s no secret that white light is the light that we see when all the colors shine together and are seen at once. This has been known for over 400 years, when Isaac Newton … Read moreHow many colors are really in a rainbow?