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301. Phil Plait's Bad Astronomy: Bad News: Mars Attacks Again, Again!
... What's New? Bad Astronomy . ... News . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... The Birdcage: Archive of Bad News Items . ... The email is going around again. You know which one: "Mars will look as big as the Moon!" it says. ... This is the same email that was sent around in 2003 . In fact, it's the same email that was sent around again in 2005 ! ... Whoever sent the email around this time didn't change any of the numbers. ...
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Ссылки http://www.badastronomy.com/bad/news/index.html -- 20.1 Кб -- 09.04.2016
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302. Phil Plait's Bad Astronomy: Misconceptions: Pareidolia
... Bad Astronomy . Misconceptions . ... I staggered groggily back into my room, and headed into the bathroom to shower. ... There was a face in the shower curtain, looking directly at me . ... With terrible certainty, I knew that this was the face of a dead man, come to see me in the shower. ... Lenin. ... What's going in here is that the face of "V.I. Lenin" is in fact water from my arm that got absorbed by the lining of my shower curtain when I opened it to get my towel. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bad/misc/lenin.html -- 29.4 Кб -- 09.04.2016
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303. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . Misconceptions . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... As much fun as the movies are to review and the news is to analyze , it's the everyday misconceptions that to me are the heart and soul of Bad Astronomy. ... Everyone knows that you can stand an egg on end on the first day of spring... or can you? ... Bad Egg: More About Egg Balancing . ... The Dark Side of the Moon" . ... July 5, 2004) . ... Topics for "Coast to Coast AM" interview (Nov. ...
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Ссылки http://www.badastronomy.com/bad/misc/index.html -- 22.6 Кб -- 09.04.2016
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304. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Book Store . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... That law states that the wavelength at which the maximum flux is emitted from a blackbody is inversely proportional to the temperature of the blackbody. ... It was known before Planck used quantum mechanics (actually, he helped invent it!) that the spectrum of a blackbody source of radiation (really, any source of a continuum spectrum) peaked at a specific wavelength. ...
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Ссылки http://www.badastronomy.com/mad/1996/wien.html -- 20.1 Кб -- 09.04.2016
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305. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... If the elevator cable broke, why couldn't you jump right before the elevator hits the ground and not be hurt? ... In free fall, you fall 10 meters in the first second, 20 in the next second (for a total of 30 meters), 30 the next (total of 60) and so on, falling 10 meters per second faster for every second of the drop. ... By the end of the first second, you're falling at 10 meters per second, but you have only fallen 5 meters. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/jump.html -- 20.1 Кб -- 09.04.2016
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306. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Why does the wind, which fans a forest fire, extinguish a candle flame inspite of providing a fresh supply of oxygen ? ... The sparks ignite the gas, and you get a steady flame. When you blow on a match, you are basically blowing those gasses hard enough to get them away from the match before they can ignite. ... So yes, you are supplying the flame with more oxygen, but that is not as important in this case as ridding the match of the gas. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/fire.html -- 18.7 Кб -- 09.04.2016
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307. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . Misconceptions . ... The coming of the Vernal Equinox (VE) recently has seen an upsurge in the idea that you can stand or spin an egg on end on the day of the VE . ... One Bad Reader in particular sent a copy to her local TV station when she heard that they were going to try to balance an egg. ... Mr. Gilbert and the sportscaster were able to stand the eggs up, but the anchors could not. ... Now, I have received some email from people that tried to stand eggs up and had it work. ...
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Ссылки http://www.badastronomy.com/bad/misc/eggy.html -- 20.2 Кб -- 09.04.2016
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308. Phil Plait's Bad Astronomy: Review: Deep Impact
... Bad Astronomy . ... Movies . ... Deep Impact After almost a year of anticipation, I finally got to see the big Hollywood movie "Deep Impact". ... As for details, I learned my lesson years ago posting messages to USENET newsgroups: keep plot details separate from the main message in case some people haven't seen the movie! So my scientific review, which must by its nature have some plot details in it, is kept apart from this main page. ... CLICK HERE TO GO TO MY REVIEW OF "DEEP IMPACT" . ...
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Ссылки http://www.badastronomy.com/bad/movies/di.html -- 19.2 Кб -- 09.04.2016
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309. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Area of science: Astronomy . ... Why don't we(NASA) send another space telescope into space? ... Currently, NASA plans on launching the "Next Generation Space Telescope" sometime around the year 2008. ... The 'scope itself will have a large shield that will keep the Sun's light off the mirror. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! ...
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Ссылки http://www.badastronomy.com/mad/1997/ngst.html -- 20.8 Кб -- 09.04.2016
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310. Phil Plait's Bad Astronomy: Bad News
... What's New? Bad Astronomy . ... News . ... Bitesize Astronomy . ... There has been a lot of discussion lately about scientists that have demonstrated faster than light travel (FTL, also called superluminal motion ). ... Nothing has moved faster than light, despite the claims of many people. ... We therefore conclude that nothing with mass can travel at the speed of light, and nothing at all can travel faster. ... Still, nothing can actually travel faster than light. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bad/news/ftl.html -- 20.3 Кб -- 09.04.2016
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311. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bad Astro Store . Mad Science . ... The Nine Planets . ... What does light from a MO V star look like from a planet's surface? ... The luminosity (brightness) of the star will only be about 0.06 of the Sun's (although that means the star will still be much brighter than the Full Moon at the distance from the Sun). ... Since the star is half the temperature of the Sun, the planet will have to be much closer to get the same warmth the Earth gets from the Sun. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1997/m0v.html -- 20.5 Кб -- 09.04.2016
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312. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bad Astro Store . Mad Science . ... Electrons are arranged in orbitals around the atomic nucleus. To answer your question, you can think of an orbital as a shell with slots in it, one slot for each electron. ... Neutral hydrogen has one electron, so one slot in this first orbital is filled, and one remains empty. ... The elements on the left have one electron to put into the outermost orbital, and the ones all the way on the right have filled orbitals. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1997/ion.html -- 19.5 Кб -- 09.04.2016
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313. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... What happens when something travel faster than the speed of light? ... The first way is to say that as far as we know, nothing can travel faster than light. ... What Einstein showed is that nothing can travel faster than the speed at which light can travel in a vacuum . ... This happens in our own atmosphere; particles from space can be moving just under the speed of light in a vacuum, but still be moving faster than light can travel in our atmosphere. ...
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Ссылки http://www.badastronomy.com/mad/1997/ftl.html -- 19.6 Кб -- 09.04.2016
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314. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Ignoring the factor of gravity from other objects, if two extremely massive objects (with the mass of the sun or greater) were moving towards each other at nearly the speed of light, wouldn't their gravities cause them to accellerate to beyond the speed of light before they collided? ... So what this is saying is that as you get very close to the speed of the light, the denominator "blows up" and the energy needed to get to the speed increases very rapidly. ...
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Ссылки http://www.badastronomy.com/mad/1996/ftl.html -- 21.1 Кб -- 09.04.2016
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315. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... What is air? ... Air is a mixture of different kinds of gasses . ... Air has lots of different gasses in it. The most important one is oxygen , which is what our body needs, and is what we get out of the air when we breathe. ... Some gasses, like carbon dioxide, is "breathed" in by plants (they don't really breathe like we do though. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/air.html -- 19.5 Кб -- 09.04.2016
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316. Phil Plait's Bad Astronomy: Bad TV
... Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. Hey, it's either this or one of those really irritating PayPal donation buttons here. ... However, it can also be prey to Bad Astronomy . ... Thirdly, and this my personal opinion, I'll be a real fuddy-duddy here: we've all heard Uranus jokes since the second grade. ... Many people may feel the joke was in bad taste. ... They have the right to make that joke, and I have the right to be offended or not. ...
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Ссылки http://www.badastronomy.com/bad/tv/popup.html -- 20.1 Кб -- 09.04.2016
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317. Phil Plait's Bad Astronomy: Bad TV
... Bad Astronomy . ... Bad Astronomy : Comets whiz across the sky in a few seconds. Good astronomy : Comets appear to move very slowly, usually taking days to noticeably move. ... The orbital periods of comets are measured in years; the most famous comet of all, Comet Halley (usually--- and incorrectly-- called ``Halley's Comet''), takes about 76 years to orbit the Sun just once. ... Now, when a comet gets near the Earth, it tends to be moving pretty quickly. ... Want to know more about comets? ...
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Ссылки http://www.badastronomy.com/bad/tv/comet.html -- 20.6 Кб -- 09.04.2016
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318. Phil Plait's Bad Astronomy: Bad TV
... What's New? Bad Astronomy . ... News . ... Despite the valiant efforts of The Discovery Channel and PBS , television by and large carries a pretty big load of Bad Astronomy. ... When possible I will have direct quotes pertaining to their Bad Astronomy, and a clear, simple explanation of the actual situation. ... I cannot promise to use every contribution: I prefer ones I can either confirm myself, get clear quotes from, or ones that have confirmation from some other Bad Reader. ...
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Ссылки http://www.badastronomy.com/bad/tv/index.html -- 20.3 Кб -- 09.04.2016
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319. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Suppose a star explodes into a supernova at a distance of about 100 lightyears. ... Supernovae are very bright, and they put out light at all different wavelengths. ... For a typical supernova to be as bright to the human eye as the Sun, it would have to occur at a distance of about a light year from the Earth. ... For a supernova to be as bright as a good solar flare, it would have to be at a distance of about 5-60 light years or so away. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/sn.html -- 22.9 Кб -- 09.04.2016
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320. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... How did early astronomers determine the distance form earth to the sun, and what method is used today to determine distances in space? ... Since Huygens knew the Sun-Venus-Earth angle (from the phases), and he could directly measure the Sun-Earth-Venus angle (simply by measuring Venus' apparent distance from the Sun on the sky) all he needed was to know the distance from Earth to Venus. ...
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Ссылки http://www.badastronomy.com/mad/1996/au.html -- 23.6 Кб -- 09.04.2016
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