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На этой странице приведены все страницы сервера www.badastronomy.com ,которые мы индексируем. Показаны документы 201 - 220 из 507.
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201. Phil Plait's Bad Astronomy: Bad News
... What's New? Bad Astronomy . ... News . ... Bitesize Astronomy . ... But in the January 18, 1998 issue of Parade , she really is wrong, and also did not answer the question asked of her. ... If he jumps off a big rock just before he hits the ground, he "stands a good chance of being only a couple of feet in the air at the time of impact [of the rock]". ... Just because you are not falling relative to the rock doesn't mean you aren't still falling relative to the ground! ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bad/news/marilyn2.html -- 19.8 Кб -- 09.04.2016
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202. Phil Plait's Bad Astronomy: Bad News
... Bad Astronomy . ... News . ... In the following article, I used the wrong number to get the circumference of the Earth at the latitude of Cape Canaveral, which ironically is what I accuse Ms. vos Savant of as well! ... At the Equator, the Earth spins at 1000 miles per hour (the Earth is 24,000 miles around, and spins once every 24 hours). ... The math is a wee bit hairy, but not too bad, to calculate the circumference of the Earth at Cape Canaveral assuming the Earth is an ellipse with these numbers...
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Ссылки http://www.badastronomy.com/bad/news/marilyn1.html -- 21.9 Кб -- 09.04.2016
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203. Phil Plait's Bad Astronomy: Bad News
... What's New? Bad Astronomy . ... Site Info . ... September 29, 1998: Another news flash from CNN: in an article about a star with a very powerful magnetic field , the following paragraph appears: "The object, in our own Milky Way galaxy, is about 15,000 light-years away, a light-year being the time it takes light to reach us at a speed of 186,000 miles (300,000 km) a second. ... As regular readers know, a light year is defined as the distance light travels in one year. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bad/news/magnetar.html -- 17.5 Кб -- 09.04.2016
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204. Phil Plait's Bad Astronomy: Bad News: Eye in the Sky
... Bad Astronomy . ... I mention Molniya orbits below, which are highly elliptical orbits that dip down as low as 200 miles, but get very high up. ... To someone on Earth, a satellite in geosynchronous orbit will stay at the same longitude (east-west) direction in the sky, but will move north and south over the orbit. ... Either way, geostationary or geosynchronous, the advantage of these orbits in intelligence gathering is obvious; it's like always having an eye in the sky over one part of the Earth. ...
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Ссылки http://www.badastronomy.com/bad/news/geosynch.html -- 23.4 Кб -- 09.04.2016
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205. 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. ... Sun coming thru clouds forms beams of light (in dust in air?) ... Why does it look like that when the rays are supposed to be parallel and the sun 93M miles away? ... The rays really do appear to diverge: they are close together near the Sun, then spread out overhead. ... The rays as a set are parallel, but each ray is a little bit fan-shaped. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/2000/sunbeams.html -- 20.9 Кб -- 09.04.2016
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206. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... I want to know if a space colony or large sattelite was established at any Lagrange point, like L5, would another Colony or sattelite have to be placed at L4 in order for the earth's orbit to remain stable? ... In the late 1700s, French mathematician Joseph Lagrange discovered that if you have a massive object orbiting another massive object (say, the Earth orbiting the Sun), there exist five points of equilibrium where the forces all balance. ... 2008 Phil...
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Ссылки http://www.badastronomy.com/mad/2000/lagrange.html -- 19.9 Кб -- 09.04.2016
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207. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Or..why don't the planets orbit the sun in the same plane as the sun orbits the galactic center? ... The writer suggested that the angular momentum of the stars was related to the original cloud that collapsed to form them and not the galaxy angular momentum. ... As I understand the answer to 902372110.as, if the stars orbit is not related to the galaxy spin, then I would expect the stars to orbit the galaxy at a multitude of random orbits and no disk to form. ...
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Ссылки http://www.badastronomy.com/mad/2000/ecliptic.html -- 20.4 Кб -- 09.04.2016
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208. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... From what I have understood, one of the main reasons for believing that stars, galaxies, etc. are "moving away from us" is the red shift of light from these objects. ... I am not saying that the "Doppler effect red shift" is not true, but how can we say that these stars/galaxies are moving away from us, when it may just be the "natural red shift" during the trip the light takes? ...
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Ссылки http://www.badastronomy.com/mad/1999/redshift.html -- 20.1 Кб -- 09.04.2016
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209. 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 . ... The Mad Scientist archives have a good essay on measuring the earth-sun distance, but the description of Cassini's technique is too terse for me to fill in the gaps. ... In that I mention that Cassini used Mars to find the length of the astronomical unit (also called an AU, the distance of the Earth to the Sun). ... 2008 Phil Plait....
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Ссылки http://www.badastronomy.com/mad/1999/earthsun.html -- 19.9 Кб -- 09.04.2016
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210. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Could you please tell me how to demonstrate how a black hole could be born? ... On many television documentaries about black holes, they show the space-time continuum as a flat gridded sheet, and show how gravity bends that sheet. ... To make a black hole, use something very small and dense to make a big dip in the sheet, then pinch it with your fingers and pull it down. ... 2008 Phil...
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Ссылки http://www.badastronomy.com/mad/1999/bh_birth.html -- 19.5 Кб -- 09.04.2016
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211. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Site Info . ... Powered by Google . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Area of science: Astronomy . ... I read an article stating sun activity will be strong in the year 2000, and that we can expect major power outages. ... Does the magnetic energy from the sun's activity couple onto the earth's power lines causing increased current flow, causing circuit breakers to trip? ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1997/sunspots.html -- 18.4 Кб -- 09.04.2016
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212. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... When you are in space, besides our Sun, can we see other stars? ... Have you noticed that stars are not steady points of light, but instead twinkle and flicker? ... This is what makes the stars look like they dance. ... If you want to learn more about stars and Hubble, I have a few web pages you can look at: my Bitesized Astronomy pages have some fun ideas about Hubble, and I have lots of links to other astronomical web pages on my Good Science links page. ...
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Ссылки http://www.badastronomy.com/mad/1997/seestars.html -- 20.1 Кб -- 09.04.2016
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213. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Site Info . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... How do we know that the rock that the Pittsburgh scientist found was really from Mars? ... The leading theory on how they get to Earth is that a large asteroid hits Mars. ... A very complete WWW site with all sorts of info, including a transcript of the NASA announcement and related work with Martian meteorites can be found at http://www.fas.org/mars . ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/marsrock.html -- 19.8 Кб -- 09.04.2016
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214. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Area of science: Astronomy . ... My idea is as follows: A very strong concrete foundation is attached to "Earth" a cable made of some increadably strong material is attached on to a giant powered pully wheel, the capble runs out into space aprox 400 miles ! ... In his novel "Fountains of Paradise" Clarke uses that idea: take a cable 40,000 km long and drop it from the satellite to the spot directly underneath it on the Earth and secure it. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/elevator.html -- 22.2 Кб -- 09.04.2016
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215. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... 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. ... Explain what is meant by the probability of finding an electron at a point in space. One of the biggest discoveries in the history of science was that when you start to look at things that are really small, the laws of physics that we know and love start to break down. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/mad/1996/electron.html -- 20.8 Кб -- 09.04.2016
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216. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... City: Methuen State/Province: MA . ... Area of science: Earth Sciences . ... Does water swirl in limited gravity situations such as a space station? ... If you dropped a rock from the station axis (which would no doubt get you a free ticket back to Earth from an angry commander!) it would appear to arc strongly in the anti-spin direction as it fell, and the station rotated underneath it. ...
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Ссылки http://www.badastronomy.com/mad/1996/coriolis.html -- 22.2 Кб -- 09.04.2016
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217. Phil Plait's Bad Astronomy: Misconceptions
Blog . ... Bad Astronomy . Misconceptions . ... Bitesize Astronomy . Book Store . Bad Astro Store . ... Site Info . ... Faint Object Spectrograph measures the light of spectrum to detect the chemical make up of comets and quasars and to determine the speed at which that light travels. Actually, they meant that the spectrograph analyzes the light to see how fast the light source is traveling, not the light itself. ... 2008 Phil Plait. ... Check out my book "Bad Astronomy" . ...
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Ссылки http://www.badastronomy.com/bad/misc/hstmodel.html -- 18.6 Кб -- 09.04.2016
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218. Phil Plait's Bad Astronomy: Misconceptions
Blog . ... Bad Astronomy . Misconceptions . ... Bitesize Astronomy . Book Store . Bad Astro Store . ... Site Info . ... RELATED SITES . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Bad Astronomy : Water spins down a drain one way in the Northern hemisphere and the other way in the Southern hemisphere." ... The way water spins down a drain has almost nothing to do with which hemisphere you are in. ... 2008 Phil Plait. ... Check out my book "Bad Astronomy" . ...
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Ссылки http://www.badastronomy.com/bad/misc/coriolis.html -- 18.2 Кб -- 09.04.2016
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219. 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. ... Oddly, the Sightings web pages had a synopsis of the April 13 show with a description of the "solar obliteration" technique before I sent the letter, but now I cannot find it anywhere at their site. ... It is possible to get the distance to these objects. ... Phil Plait . ... Check out my book "Bad Astronomy" . ...
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Ссылки http://www.badastronomy.com/bad/tv/sightings2.html -- 25.3 Кб -- 09.04.2016
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220. Phil Plait's Bad Astronomy: Bad TV
... Bad Astronomy . ... Bad Astro Store . ... They had a brief blurb about a meteorite that contains an unusual form of carbon called 'buckeyballs', or molecules shaped like soccer balls. ... On the TV show, the reporter said that the buckeyballs can transport life-giving atoms such as oxygen and nitrogen 'from galaxy to galaxy'. ... They said that the buckeyballs had atoms of helium inside 'older than the Sun', implying the rock came from outside the solar system. ... Check out my book "Bad Astronomy" ...
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Ссылки http://www.badastronomy.com/bad/tv/sightings1.html -- 19.7 Кб -- 09.04.2016
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