universe

Tag archives for universe

An Atom in the Universe

“The atoms come into my brain, dance a dance, and then go out – there are always new atoms, but always doing the same dance, remembering what the dance was yesterday.” -Richard Feynman Here you are, a human being, a grand Universe of atoms that have organized themselves into simple monomers, assembled together into giant…

How Big is Our Observable Universe?

“The mind, once expanded to the dimensions of larger ideas, never returns to its original size.” -Oliver Wendell Holmes When General Relativity supplanted Newton’s work as our theory of how gravity works in the Universe, it didn’t just change how we view how masses attract, it gave us a new understanding of what the questions where…

The Universe is Alive

“Night, when words fade and things come alive. When the destructive analysis of day is done, and all that is truly important becomes whole and sound again.” -Antoine de Saint-Exupery When you look out into the Universe, what is it that you typically think of? Do you think of reliable, fixed stars and constellations? The…

From Nothing to You in 10 Sentences

“It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. It’s a crazy world out there. Be curious.” -Stephen Hawking One of the most existential questions humanity has ever asked is the question of our origins: where do I come from? Inspired by…

Weekend Diversion: Discovering the Universe

“The vastness of the heavens stretches my imagination. It does not do harm to the mystery to know a little about it. For far more marvelous is the truth than any artists of the past imagined it.” -Richard Feynman What did you think about, wonder about, and dream about the first time you saw the…

Answering ALL Your Questions

“And in the end The love you take Is equal to the love you make.” -Paul McCartney Every once in a while, I throw the chance out there (on facebook, twitter, or google+) to ask me whatever questions you want. Yesterday, for some insane reason, I invited people across all three platforms to ask me whatever…

Yes, we really, REALLY need Dark Matter!

“If you wish to make an apple pie from scratch, you must first invent the Universe.” -Carl Sagan The Universe is a lot like an extremely intricate cake. We view it today as a snapshot in time, now that it’s complete. We can view the whole thing from one point of view, determined by where…

“It’s a brilliant surface in that sunlight.” – Neil Armstrong Indeed, all that glitters so brilliantly in the cosmos does so because of the stars that have formed throughout it. Over the 14 billion-or-so years that our Universe has been around, we’ve formed hundreds of billions of stars in our galaxy alone. Given that our…

What Happened Before The Big Bang?

“The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.” -Bertolt Brecht One of the most frequent questions I get about the Universe — as a cosmologist — isn’t quite about the Big Bang in and of itself. The Big Bang is a remarkable…

“History is full of people who out of fear, or ignorance, or lust for power has destroyed knowledge of immeasurable value which truly belongs to us all. We must not let it happen again.” -Carl Sagan From the streets and people of our hometown to the nations, planets, stars and galaxies (and beyond) of our…