esiegel | May 19, 2013"I prefer to be true to myself, even at the hazard of incurring the ridicule of others, rather than to be false, and to incur my own abhorrence." -Frederick Douglass
I thought we were past this, I really did. Having grown up in New York, having lived in eight different states and traveled to 39 others -- as well as maybe a dozen different countries -- I truly thought there were a few things that were obvious. One of them, of course, is that you've got to give something a shot to know whether you like it or not. Hopefully, no matter who, where, or what you are, you'll enjoy this upbeat song by…
esiegel | May 17, 2013"Anyone who has never made a mistake has never tried anything new." -Albert Einstein
Back when Einstein first proposed his theory of General Relativity, his revolutionary picture of the Universe was met with a mix of curiosity, awe, and intense skepticism. It isn't every day that your most cherished of all physical theories -- the theory of Newtonian Gravity that had ruled the cosmos for nearly two-and-a-half centuries -- gets challenged by a newcomer.
Image credit: Brooks/Cole - Thomson publishing, 2005.
And yet, that's exactly what Einstein did when he proposed General Relativity at the…
esiegel | May 15, 2013“Supposedly she’d died, but here she was again–somewhat changed, but you couldn’t kill her. Not when the truest part of her hadn’t even been born.” -Denis Johnson
Over the past 100 years, our picture of the Universe has changed dramatically, on both the largest scales and the smallest.
Image credit: Richard Payne.
On the large-scales, we've gone from a Newtonian Universe of unknown age populated only by the stars in our own Milky Way to a Universe governed by General Relativity, containing hundreds of billions of galaxies.
Image credit: Rhys Taylor, Cardiff University.
The age of this…
esiegel | May 13, 2013"How is it they live for eons in such harmony - the billions of stars - when most men can barely go a minute without declaring war in their mind against someone they know?" -Thomas Aquinas
Welcome back to another Messier Monday here on Starts With a Bang! Each Monday, we take an in-depth look at one of the 110 deep-sky wonders -- all visible with a small telescope or even good binoculars -- that make up Charles Messier's original catalogue of non-cometary objects! Today, we're taking a look at a one-of-a-kind galaxy among the Messier objects, which just happens to be the (co-)first galaxy I…
esiegel | May 11, 2013"But I'll tell you what hermits realize. If you go off into a far, far forest and get very quiet, you'll come to understand that you're connected with everything." -Alan Watts
As we move farther away from the equinox and towards the solstice, my part of the world is seeing not only more daylight, but also more sunshine, warmer temperatures, and -- at least today -- some glorious days to be out in nature. This weekend, have a listen to Vishwa Mohan Bhatt, Ronu Majumdar, Sabir Khan & Tarun Bhattacharya's interpretive nature song,
Flame of the Forest,
while I share with you my list of the…
esiegel | May 10, 2013"As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs." -Charles Francis Richter
You've all been around long enough to be familiar with the severe damage that earthquakes can cause, rattling and cracking the ground, shaking down buildings, and creating catastrophic tsunamis tidal waves. In short, the largest ones that occur in the wrong places will cause billions of dollars worth of damage and will kill thousands of people.
Image credit: AP / Press…
esiegel | May 8, 2013"No valid plans for the future can be made by those who have no capacity for living now." -Alan Watts
"They do not see what lies ahead, when Sun has faded and Moon is dead." -J.R.R. Tolkien
One of the most amazing facts about the Universe is that, despite only having spent a few hundred years studying the fundamental constituents and forces of what makes us up, humanity has been able to accurately figure out just what all this actually is.
Image credit: ESO / S. Brunier.
The laws of nature are almost completely understood in a few, very important senses. We know that our Universe is about…
esiegel | May 6, 2013"Why I came here, I know not; where I shall go it is useless to inquire - in the midst of myriads of the living and the dead worlds, stars, systems, infinity, why should I be anxious about an atom?" -Lord Byron
Welcome back to another Messier Monday here on Starts With a Bang! Messier's 18th-Century catalogue of 110 deep-sky objects that could potentially be confused with comets by skywatchers has endured as one of the greatest collections of deep-sky objects clearly visible to amateur and professional astronomers worldwide!
Image credit: ScienceSouth - Tony's Astronomy Corner, via http://…
esiegel | May 5, 2013"I don't understand how super mario can smash blocks with his head but dies when he touches a turtle." -Unknown
The past few weekends have been far too serious around the internet, and it's time to kick back and enjoy something nice and simple. I'd like to introduce you to the little-known indie band The Mountain Goats, who, along with Kaki King, sing a delightful song about feeling trapped and being rescued, called
Thank You Mario But Our Princess Is In Another Castle.
Of course, those of you who remember your old nintendo cartridges will know exactly where the song title comes from.
Image…
esiegel | May 3, 2013“Talent hits the target no one else can hit; genius hits the target no one else can see.” -Arthur Schopenhauer
You've probably heard the story, by now, of Kiera Wilmot, the 16-year-old girl who performed a mildly dangerous chemistry experiment on school grounds, mixing together household cleaner and aluminum inside a sealed container. You can get the full story (excellently covered) via DNLee, but to give you the 15-second version, she was arrested, expelled, and is presently being charged with a felony that carries up to 5 years in prison. The school board is not backing down, the attorney…
esiegel | May 1, 2013"The views of space and time which I wish to lay before you have sprung from the soil of experimental physics, and therein lies their strength. They are radical. Henceforth space by itself, and time by itself, are doomed to fade away into mere shadows, and only a kind of union of the two will preserve an independent reality." -Hermann Minkowski
When it comes to gravity, you probably think you understand it pretty well.
Image credit: Heavens Above, via http://heavens-above.com/.
Everything with mass (or energy) attracts everything else with mass-or-energy, explaining everything from falling…
esiegel | April 29, 2013"The fault, dear Brutus, is not in our stars,
But in ourselves, that we are underlings." -W. Shakespeare
Welcome to just another Messier Monday here on Starts With A Bang! Each Monday, we're taking a detailed look at a different one of the 110 deep-sky objects that compose the Messier Catalogue, each one a different semi-permanent wonder of the night sky for our viewing pleasure here on Earth.
Image credit: Alistair Symon, 2005-2009.
While we may not think of our galaxy as a hotbed of star formation -- and indeed it isn't compared to many, as it forms less than one Sun-like star per year…
esiegel | April 28, 2013"For I dipped into the Future,
far as human eye could see;
saw the vision of the world,
and all the wonder that would be." -Alfred, Lord Tennyson
This weekend, the Sun is shining here in Portland, as we've gotten our first annual spell of warm, sunny days recently. It's got me thinking of the approaching summer, and one of my favorite music festivals that's coming up. One of the great groups I'm looking forward to is Keller and the Keels, who have an unparalleled penchant for amazing bluegrass mashups, such as their rendition of two very different songs by Beck/The Grateful Dead artistically…
esiegel | April 26, 2013"All our sweetest hours fly the fastest." -Virgil
If you've been around the block once or twice, you know that the speed of light in a vacuum -- 299,792,458 meters-per-second -- is the absolute maximum speed that any form of energy in the Universe can travel at. In shorthand, this speed is known as c to physicists.
Image credit: user Fx-1988 of deviantART.
But you or I, no matter how hard we try, will never attain that speed. There's a simple reason for this: we have mass. And for an object with mass, you can accelerate it all you want, but it would take an infinite amount of energy to…
esiegel | April 24, 2013"Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space." -Douglas Adams
Well, maybe "peanuts" isn't going to do. When you look out at the night sky, all sorts of objects are yours to discover, from our closest neighbors in the Solar System to the billions of stars in the Milky Way to the faint, extended and fuzzy galaxies stretching millions and billions of light years across the cosmos.
Image credit: Stephane Guisard, via http://sguisard.astrosurf.com/.
But…
esiegel | April 22, 2013"[T]he entire globe will soon be wrapped in a glowing envelope through which none of the magic of the Universe can be seen by the naked eye." -George Eslinger
Welcome to still another Messier Monday here on Starts With A Bang! Each Monday, we highlight a different one of the 110 deep-sky objects that make up the Messier Catalogue, the first accurate catalogue of more than 100 extended, deep-sky wonders strewn across the expansive night sky!
Image credit: ScienceSouth -- Tony's Astronomy Corner.
Tonight, the Moon is nearly full, which means the largest natural source of light pollution at…
esiegel | April 21, 2013"Fluoridation is the single most important commitment a community can make to the oral health of its children and to future generations." -C. Everett Koop
Most weekends, I take on a lighter topic, as a way of taking a break from the deep physics, astronomy, and science we share during the week. But every once in a while, there's an important story that needs to be told. This weekend, I invite you to enjoy Tony Rice's rendition of a fabulous Gordon Lightfoot story song,
Wreck of the Edmund Fitzgerald.
One of the most contentious issues going on in my city -- Portland, OR -- right now, is our…
esiegel | April 19, 2013"Despite its name, the big bang theory is not really a theory of a bang at all. It is really only a theory of the aftermath of a bang." -Alan Guth
So you finally understand it. The Big Bang tells us that the Universe was hotter, denser, and expanding at a faster rate in the past.
Image credit: original source unknown.
The farther back we go, the closer together everything was, the higher in temperature (and shorter in wavelength) all the radiation was, and -- of course -- the younger the Universe was.
Image credit: Ned Wright (possibly Will Kinney, too), via http://ned.ipac.caltech.edu…
esiegel | April 18, 2013"The cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us—there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, or falling from a height. We know we are approaching the greatest of mysteries." -Carl Sagan
One of the greatest things we can do -- when we study and learn the story of the Universe -- is simply to tell that story, as best as modern science allows us to. Earlier this week, I had a chance to do this in front of a small, intimate audience at the Hand-Eye Supply Curiosity Club here in Portland…
esiegel | April 17, 2013“We are much closer today to being able to send humans to Mars than we were to being able to send men to the moon in 1961, and we were there eight years later. Given the will, we could have humans on Mars within a decade.” -Robert Zubrin
Of all the planets in the Solar System beyond our own, none has captured our imagination quite like Mars has.
Image credit: NASA, via http://photojournal.jpl.nasa.gov/jpeg/PIA02570.jpg.
From science-fiction fans to scientists and everyone in between, our understanding of the red planet is presently greater than it ever has been in the past. With multiple…