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141. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... if hubble was pointed at earth, what could it resolve? is it too bright? ... This type of image is called a ``flat field'', because you want the field of view to look as flat as possible. In space there aren't any flat fields you can use, but we do have one right here: the Earth. ... It takes a lot of sophisticated computer processing to turn this into a real flat field for Hubble to use, but luckily there are a lot of smart people working on the problem. ...
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Ссылки http://www.badastronomy.com/mad/2000/hubbleearth.html -- 20.8 Кб -- 09.04.2016
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142. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... A large gas cloud collapses. ... As more stuff piles up in the center, the temperature and pressure increase (when you squeeze a gas, it heats up). ... It absorbs a lot of the generated heat and then radiates it away at the surface. ... You supply it with a steady source of gas, and it merrily burns it away, generating heat which is radiated away by the surface of the grill (well, the part that isn't absorbed by the food you're cooking). ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1999/sun_explode.html -- 19.6 Кб -- 09.04.2016
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143. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... My question is : How can an Earth-like environment, including gravity, be simulated on a spacecraft or a space colony? ... Centripetal force is what you feel when, for example, you are sitting in a car that makes a sharp turn and you are thrown to the outside of the curve. ... A small ship has to spin faster to feel the same force as a big ship spinning slower. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1999/spinstation.html -- 20.8 Кб -- 09.04.2016
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144. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... I was wondering why scientists think that a black hole can form wormholes or gateways to alternate universes. ... When thinking about Einsteinien gravity and how gravity affects space-time on a 2-dimensional plane, I figured that if you viewed the Universe as a balloon (a balloon for the explanation of everything moving away from eachother at the same time), then the black hole would basically be doing the same thing as when you push your finger into a balloon. ...
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Ссылки http://www.badastronomy.com/mad/1999/bh_wormhole.html -- 19.9 Кб -- 09.04.2016
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145. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . Fun Stuff . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... if he would be able to see color when flying thru a rainbow. ... Since different colors bend by different amounts inside the droplet, the colors of sunlight get spread out and you see the familiar colors of the rainbow, bent into an arc. ... If you try to fly towards the rainbow, the rainbow will appear to recede from you! ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1998/fly_rainbow.html -- 19.2 Кб -- 09.04.2016
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146. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... What is the cause of auroral sound the sometimes occurs with an aurora? ... The Earth's magnetic field guides the particles to the north or south pole, where they hit air molecules. ... So aurorae are an electrical/magnetic phenomenon. ... This high, the air is extremely thin and not capable of supporting sound. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! ...
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Ссылки http://www.badastronomy.com/mad/1997/auroranoise.html -- 20.5 Кб -- 09.04.2016
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147. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Does the gravity of the moon affect us ( our blood etc. ) as it affects other liquids , like causing the tide to rise and fall ? ... The Moon pulls harder on one side of the Earth than the other, causing the Earth to stretch a bit. ... One other thing: although tides from the Moon do not directly affect us, they have a profound affect on the Earth which in turn does affect us. ...
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Ссылки http://www.badastronomy.com/mad/1996/moonbiophys.html -- 20.4 Кб -- 09.04.2016
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148. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... The Nine Planets . ... Area of science: Astronomy . ... Detecting new planets is a very hot topic in astronomy right now. ... Larger telescopes in space may be able to actually take pictures of these planets. ... Even when built, they will probably not be able to see any detail of the surface of these planets, but will probably just be able to see them as points of light. ... But there is another way to detect planets, which is more subtle. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/hst_replace.html -- 21.6 Кб -- 09.04.2016
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149. Phil Plait's Bad Astronomy: SPOILER Review: Star Wars: The Phantom Menace
... Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... My initial page about Star Wars had a couple of bad errors in it, errors which I should have known better than to make. ... A brief introduction: I'll state here I like the Star Wars movies (except Return of the Jedi, yikes!) and I liked the Phantom Menace (hereafter: tPM ). There wasn't a whole lot of astronomy in it, actually, so there isn't much to review. ... Bad: . ... Looking for Star Wars links? ...
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Ссылки http://www.badastronomy.com/bad/movies/starwars2.html -- 32.7 Кб -- 09.04.2016
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150. Phil Plait's Bad Astronomy: Review: Red Planet
... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Note: This page is just an intro to the review. ... The second of a series of Mars movies is out, and it is my great pleasure to say that ``Red Planet'' is vastly better than ``Mission to Mars'' . Of course, the stomach flu is better than ``Mission to Mars''. ... CLICK HERE TO GO TO MY REVIEW OF "RED PLANET" . ... Check out my book "Bad Astronomy" . ...
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Ссылки http://www.badastronomy.com/bad/movies/redplanet.html -- 18.5 Кб -- 09.04.2016
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151. Phil Plait's Bad Astronomy: SPOILERS! Review of Mission to Mars
... Bad Astronomy . ... Here you have a voyage to Mars, which is a really interesting prospect, and then added in are aliens, technological puzzles, the origin of mankind and high drama of space rescues, and all I could muster from this was... ennui. ... Good: Um. ... I reviewed his book ``Entering Space'' for the February 2000 issue of Astronomy magazine, and I found most of his engineering plans to be good, but some were a bit shaky, as were his philosophical arguments for why we need to colonize...
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Ссылки http://www.badastronomy.com/bad/movies/m2mreview.html -- 41.5 Кб -- 09.04.2016
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152. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... All the other search engines were no help when I searched on words like "egg standing equinox" (frustratingly, most returned my own webpage about it ). ... In China, the first day of spring is called Li Chun , and they reckon it to be roughly six weeks before the vernal equinox. As loyal Bad Astronomy readers already know, in most countries, the equinoxes and solstices do not mark the beginning of seasons ; America is odd in that we say that Spring begins on the equinox. ...
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Ссылки http://www.badastronomy.com/bad/misc/egg_history.html -- 23.7 Кб -- 09.04.2016
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153. Phil Plait's Bad Astronomy: Bad News:
... What's New? Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Yahoo!News, which will repeat anything it finds on the web as if it's true, published an article on September 12th about a "chaos cloud" headed toward Earth. ... It says that the cloud is made of particles emitted from a black hole in a process called Hawking radiation , and the particles come in electron-positron pairs. ... 2008 Phil Plait. ... THE BIRDCAGE: ARCHIVE OF OTHER BAD NEWS ITEMS . ...
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Ссылки http://www.badastronomy.com/bad/news/killercloud.html -- 20.5 Кб -- 09.04.2016
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154. Phil Plait's Bad Astronomy: Misconceptions: Does the Venus Transit Cause...
... Bad Astronomy . Misconceptions . ... He wrote an article for the "Science and Technology Review" in which he claims that there is a "clear correlation" between transits of Venus and the flooding of the Yellow River! ... The news reports say he looked in historical records dating back 2187 years (the Chinese are known for keeping records a long time!), and found that the Yellow River flooded at the same time as the Venus transits. ... What could Venus do to cause such a flood? ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bad/misc/venus_flood.html -- 23.1 Кб -- 09.04.2016
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155. Phil Plait's Bad Astronomy: Bad News:
... What's New? Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... On August 27, 2003, at 9:51 Universal (Greenwich) Time, Mars will be making its closest approach to Earth for quite some time. ... A lot of astronomers and news media are saying about how close it will be and how big it will look, but they are leaving out two crucial facts: Mars will be nearly 56 million kilometers away, and it's only fractionally closer than the last favorable pass. ...
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Ссылки http://www.badastronomy.com/bad/news/marsattacks.html -- 20.8 Кб -- 09.04.2016
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156. Phil Plait's Bad Astronomy: Misconceptions: Disharmonious Noncordance
... Bad Astronomy . Misconceptions . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Small, faint and distant Chiron . ... The email was from Bad Reader Gregg Evans, who said that there is a website ( http://www.harmonicconcordance.com/ ) claiming that on November 8 th , there would be an interesting alignment of the planets. ... They are: the Sun, the Moon, Mars, Jupiter, Saturn, and Chiron. ... Chiron! ... 2008 Phil Plait. ... Check out my book "Bad Astronomy" . ...
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Ссылки http://www.badastronomy.com/bad/misc/concordance.html -- 37.2 Кб -- 09.04.2016
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157. Phil Plait's Bad Astronomy: Misconceptions: Coast to Coast Am
... Bad Astronomy . Misconceptions . ... Welcome to Bad Astronomy! This page has images and links that George Noory and I discussed on the Coast to Coast AM radio show on Monday night, November 17, 2003. ... The Overactive Sun . ... James McCanney, Comets, the Sun, and Planet X . ... He makes lots of claims about comets and the Sun. ... McCanney claims that flares and coronal mass ejections are caused by sungrazer comets; comets that actually pass very close to or even impact the Sun. ...
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Ссылки http://www.badastronomy.com/bad/misc/c2c_nov2003.html -- 31.6 Кб -- 09.04.2016
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158. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...
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Ссылки http://www.badastronomy.com/bad/misc/light_years.html -- 21.1 Кб -- 09.04.2016
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159. Phil Plait's Bad Astronomy: Bad News
Blog . ... What's New? Bad Astronomy . ... News . ... Site Info . ... As of this writing (12/2/96), NASA plans to launch a Mars probe (the Mars Pathfinder ) tomorrow morning. Over the weekend, the local Washington DC ABC affiliate (WJLA, channel 7) newscaster introduced the report with this teaser: "NASA is gearing up to explore the third rock from the Sun this week.. ... Mars is the fourth planet from the Sun. ... 2008 Phil Plait. ... THE BIRDCAGE: ARCHIVE OF OTHER BAD NEWS ITEMS . ...
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Ссылки http://www.badastronomy.com/bad/news/third_rock.html -- 17.4 Кб -- 09.04.2016
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160. Phil Plait's Bad Astronomy: Bad News
... What's New? Bad Astronomy . ... News . ... Site Info . ... The Nine Planets . ... Some Facts about the Sixth Rock from the Sun . ... NASA's top space scientist, Wesley Huntress Jr., calls the ringed Saturn "the most beautiful planet in the solar system outside of our own" . ... While Saturn is indeed the sixth planet from the Sun, calling it a "rock" is a stretch. ... This is maybe a small nit, but it reminded me of another news gaffe, quoted below, calling Mars the third rock from the Sun. ...
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Ссылки http://www.badastronomy.com/bad/news/sixth_rock.html -- 18.2 Кб -- 09.04.2016
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