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The Sky is Waiting.
The Current Number of Exoplanets Discovered is: 4145
Pictured is a Delta IV rocket launch from Cape Canaveral on November 21st, 2010. The image is a 20 second exposure taken at dusk, shot from about 100 miles west of the launch site. The launch placed a classified payload in orbit for the United States Air Force.
Difficult but not impossible to catch against the dawn or dusk sky, spotting an extreme crescent moon can be a challenge. The slender crescent pictured was shot 30 minutes before sunrise when the Moon was less than 20 hours away from New. A true feat of visual athletics to catch, a good pair of binoculars or a well aimed wide field telescopic view can help with the hunt.
The Sun is our nearest star, and goes through an 11-year cycle of activity. This image was taken via a properly filtered telescope, and shows the Sun as it appeared during its last maximum peak in 2003. This was during solar cycle #23, a period during which the Sun hurled several large flares Earthward. The next solar cycle is due to peak around 2013-14.
Located in the belt of the constellation Orion, Messier 42, also known as the Orion Nebula is one of the finest deep sky objects in the northern hemisphere sky. Just visible as a faint smudge to the naked eye on a clear dark night, the Orion Nebula is a sure star party favorite, as it shows tendrils of gas contrasted with bright stars. M42 is a large stellar nursery, a star forming region about 1,000 light years distant.
Orbiting the planet in Low Earth Orbit (LEO) every 90 minutes, many people fail to realize that you can see the International Space Station (ISS) from most of the planet on a near-weekly basis. In fact, the ISS has been known to make up to four visible passes over the same location in one night. The image pictured is from the Fourth of July, 2011 and is a 20 second exposure of a bright ISS pass.
Next to the Sun, the two brightest objects in the sky are the Moon and the planet Venus. In fact, when Venus is favorably placed next to the Moon, it might just be possible to spot the two in the daytime. Another intriguing effect known as earthshine or ashen light is also seen in the image on the night side of the Moon; this is caused by sunlight reflected back off of the Earth towards our only satellite.
A mosaic of three images taken during the total lunar eclipse of December 21st, 2010. The eclipse occurred the same day as the winter solstice. The curve and size of the Earth’s shadow is apparent in the image.
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Review: The Calculus Diaries by Jennifer Ouellette.
There’s a wonderful anecdote told by Stephen Hawking about the completion of A Brief History of Time. His publisher admonished him not to include any mathematical equations, stating that each subsequent equation would cut the sales of the book by half.
(The author compromised at two). And so it goes; would-be science and math popularizers must often contend with publishers who tell them not to ‘scare away’ the public, while science writers think to themselves, “but this is just so cool,” and in the words quoted by this week’s author taken from Buffy the Vampire Slayer, “This could be mathier…”
Which leads us into this week’s fascinating review of The Calculus Diaries: How Math can help you Lose Weight, Win in Vegas, and Survive a Zombie Apocalypse by Jennifer Ouellette. Founder of the blog Cocktail Party Physics, Mrs. Ouellette is no stranger to writing on all things math and physics related, having authored The Physics of the Buffyverse and Black Bodies and Quantum Cats. In the Calculus Diaries, she tackles a subject that perhaps sends many of us screaming into the void during our high school college prep years, as she demonstrates how calculus is woven into our everyday lives. Interspersed throughout are fascinating fortrays into the history of mathematics, definitely tales worth telling. Stop and think; how many famous mathematicians can you name? Probably one of our favorite tales is Nick the Greek’s presentation of Albert Einstein to his Vegas cronies as, “Little Al from Princeton; controls alotta the action out in Jersey…”
But in the end, it’s all about doing the math. The Calculus Diaries doesn’t back down and demystifies much of higher mathematics for the layman; the book would serve a student well as a good segue way into a course or as a companion to Calculus for Dummies. From integrals to derivatives, it’s all here; for those who wish it “could be mathier,” a lengthy appendix of rules including the Top Ten calculus functions and the Calculus of the Living Dead is included. This book took much of the mystery out of calculus for me as I instantly recognized where algebra meets calculus and found a common basis to jump off from.
The author also gives us a good insight into how a lack of math literacy may consistently beat us in our everyday lives. And we’re not just talking about a zombie plague here. From taking on a mortgage to losing weight to beating the odds in Vegas, a failure to understand the math behind the game of life can lead to the house winning, every time. The example of a game of craps was very insightful; the odds are stacked just ever so slightly in the favor (less than 2%) of the house, but that’s just enough to, well, build a city like Las Vegas in the middle of a barren desert. The author even successfully demonstrates that stacking the odds in favor of the players may not lead to short term success as a gambler. Time and time again, we humans simply ‘suck’ (a technical term) at calculating risk and gain. Economic parallels are drawn between the great 17th century tulip mania in Holland and the current real estate market meltdown of today. The author adeptly illustrates the calculus of bubble markets and interest rates. Occasionally, as was the case during the recent crash, someone would raise a math-based objection, but everyone was too busy making a killing to notice… they all scattered, however, at the first sign of a buyer not showing up with the loot!
The current weight craze (you pick the latest one!) is also a good illustration of how our lack of math literacy does us in. Our bodies are good accountants; while we may cry foul and blame metabolism, carbs, glutens, etc. it really is a matter of calories in, calories out. Ideas to beat the Harris-Benedict equation have included everything from fat massagers to “martini diets”, but the reality is it’s hard to top “the eat less and exercise more” mantra.
And don’t forget the zombies. The Calculus Diaries examines the history of biological outbreaks and shows how the exponential growth or decay of infected populations takes off. Should I stay barricaded in this mall and duke it out with said zombies, or flee to safer ground? The Calculus Diaries will help you make the call as you’re counting up provisions and ammunition.
The release of The Calculus Dairies from Penguin Press this August 31st couldn’t be timelier. As the school year begins and another batch of students begins to feel the dread of math phobia seeping in, this book offers an empowering hope. Read The Calculus Diaries or gift it to that benighted student; it may just inspire a personal mimetic “this is that…” moment!