Video

Category archives for Video

“When your friends begin to flatter you on how young you look, it’s a sure sign you’re getting old.” -Mark Twain Welcome to yet another installment of Messier Monday, where each week, I’ll pick one of the 110 Messier Objects — deep-sky objects catalogued to avoid confusion for comet hunters — to highlight for you. So far,…

Where do Type Ia Supernovae come from?

“You have to have a canon so the next generation can come along and explode it.” -Henry Louis Gates When it comes to stars, their fates are very well known. Every single star that’s massive enough to fuse hydrogen into helium in its core will someday run out of fuel and die. The very brightest…

The Deepest View of the Universe. EVER.

“It is by going down into the abyss that we recover the treasures of life. Where you stumble, there lies your treasure.” -Joseph Campbell One of the bravest things that was ever done with the Hubble Space Telescope was to find a patch of sky with absolutely nothing in it — no bright stars, no…

How the Earth moves, and how do we know?

“Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.” -Galileo Galilei All of science is rooted in the idea that natural phenomena can be explained naturally, and that if we want to know how anything in the Universe works, all we…

Weekend Diversion: The Physics of Happy Gilmore

“What a shot by Happy Gilmore! <aside> Who the hell is Happy Gilmore?” -Announcer, from Happy Gilmore As I prepare to write this, it occurs to me that some of you may not have seen the greatest* movie of all time, Happy Gilmore. The movie begins with a montage of Happy’s disastrous and violent childhood,…

My First Trip To A Glacier May Be My Last

“Everybody knows that the dice are loaded Everybody rolls with their fingers crossed Everybody knows that the war is over Everybody knows the good guys lost Everybody knows the fight was fixed The poor stay poor, the rich get rich That’s how it goes; everybody knows.” -Leonard Cohen As you know, last week I took my…

Asteroid #2 down; on to Asteroid #1!

“I have announced this star as a comet, but since it is not accompanied by any nebulosity and, further, since its movement is so slow and rather uniform, it has occurred to me several times that it might be something better than a comet. But I have been careful not to advance this supposition to…

Where will we all be in 100 billion years?

“It is always wise to look ahead, but difficult to look further than you can see.” -Winston Churchill We’ve come a long way in this Universe. Over the past 13.7 billion years, we’ve formed the light elements out of a sea of protons and neutrons, cooled and expanded to form neutral atoms for the first…

Weekend Diversion: Be Safe, Be Free!

“If you want total security, go to prison. There you’re fed, clothed, given medical care and so on. The only thing lacking… is freedom.” -Dwight Eisenhower One of the greatest feelings is the freedom to travel, whether by your own power or a mechanical motor, far faster than your own legs can take you. Kimya…

Get Your Galaxy in Gear!

“We don’t understand how a single star forms, yet we want to understand how 10 billion stars form.” -Carlos Frenk The Universe has been around for a long time: nearly 14 billion years, to the best of our knowledge. When it was very young, there were absolutely zero stars in it, while today, there are hundreds…