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401. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Hey, it's either this or one of those really irritating PayPal donation buttons here. ... On June 26 and 28 I attended, by invitation, a local Star Trek convention in Baltimore, Maryland. I gave a couple of talks at the con; one was on supernovae and was relatively unremarkable, but the other one, which I titled "The Astronomy of Star Trek: Art vs. ... Since I am The Bad Astronomer , I get email sometimes asking me about the astronomy of Star Trek. ...
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Ссылки http://www.badastronomy.com/bitesize/startrek.html -- 20.8 Кб -- 09.04.2016
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402. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bulletin Board . ... Bitesize Astronomy . ... Site Info . ... Have you ever watched a traffic light in the fog? You may have noticed how when the light is red you can see it clearly, but when it turns green you can barely see it. ... NICMOS , one of the new instruments on board the Hubble Space Telescope, takes advantage of this fact by looking at infrared light, which has a longer wavelength than even normal red light. ... Talk about Bad Astronomy on the BA Bulletin Board! ...
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Ссылки http://www.badastronomy.com/bitesize/nicorion.html -- 18.7 Кб -- 09.04.2016
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403. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... I am doing this because of an exciting new project with which I am involved, and I want to have it out for the public to see. ... If I had to write out "Space Telescope Imaging Spectrograph" every time, I'd go nuts. ... Regular readers are already familiar with the Space Telescope Imaging Spectrograph (STIS). ... The very faintest star you can see without aid is still a billion times brighter than the dimmest star in that STIS image. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/parallel.html -- 27.1 Кб -- 09.04.2016
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404. Phil Plait's Bad Astronomy: Rebuttal to a Bad Book Review
... Bad Astronomy . ... Book Store . ... My book has been getting a fair share of positive reviews , but it has now garnered a negative one. I should have expected it: it's from a mailing list about UFOs. ... Note added May 21, 2002 : It was brought to my attention by several people that in the article below, I say that amateur astronomers "never" report UFOs. ... My point remains: if amateurs watch the sky far more than laymen, then they should see far more UFOs. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/book/uforebuttal.html -- 24.9 Кб -- 09.04.2016
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405. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... The Nine Planets . ... That means that for a short time you can actually see the tiny planet in silhouette against the disk of the Sun. ... As little as ten years ago, we didn't know if there were any planets orbiting other stars or not. ... They have been detected by their gravitational tugging of their star; as they orbit, the star moves in a little circle as the planet makes a bigger one. ... And it comes the same week we see one of our own planets pass in front of our own...
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Ссылки http://www.badastronomy.com/bitesize/transit.html -- 21.3 Кб -- 09.04.2016
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406. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... The last step encompassed them all with galaxies , and how we discovered that the Milky Way was not the entire Universe. ... And just like those star clusters, there are different kinds of galaxy clusters. ... There are vast clusters of clusters, called superclusters, which contains hundreds of thousands or even millions of galaxies. ... Our own Galaxy has 400 billion stars in it, yet there are clusters out there with millions of galaxies like our own. ...
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Ссылки http://www.badastronomy.com/bitesize/galclus.html -- 20.5 Кб -- 09.04.2016
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407. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... It isn't the first extrasolar planetary system to be discovered; the first planet outside our own solar system orbiting a normal Sunlike star was discovered in 1995. ... Still, this is the first solar system ever found besides our own to definitely have more than one planet. This is an important discovery: most people all along have been assuming that multiple planet systems exist, but we had never actually seen one. ...
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Ссылки http://www.badastronomy.com/bitesize/ups_and.html -- 22.5 Кб -- 09.04.2016
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408. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Hey, it's either this or one of those really irritating PayPal donation buttons here. ... The Discovery Channel , which really should know better, aired a show about UFO's. This may surprise most folks, but I actually have an open mind about that issue; I just haven't seen anything really convincing yet. ... The object came in from outer space, went through our atmosphere and curved back out again. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/ufoskip.html -- 20.1 Кб -- 09.04.2016
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409. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... It's semi-common knowledge that stars twinkle and planets don't. By semi-common, I mean that a lot of folks know that, but I also mean it isn't strictly true. Stars twinkle because we see them from the bottom of a sea of air. ... These small bundles of air act like little lenses, bending light as it passes through them. ... What we see is the light from the star flickering. ...
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Ссылки http://www.badastronomy.com/bitesize/twinkle.html -- 20.9 Кб -- 09.04.2016
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410. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... As the sun sets, the light from the Sun is passing through more and more air. ... This is also why the sun looks red at the horizon; the bluer light is being redirected into the air. Anyway, another effect is that the light from the Sun gets bent, or refracted , as it passes through air. ... Since the light gets bent up, away from the horizon, you actually can see the Sun after it has physically set. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/sunbend.html -- 20.7 Кб -- 09.04.2016
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411. Phil Plait's Bad Astronomy: Bitesize Astronomy
Blog . ... Bad Astronomy . ... Bulletin Board . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . Search the site . ... RELATED SITES . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... This page is a bit of a cheat. ... However, I did put up something on my Bad Astronomy page that perhaps could use a bit more coverage. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...
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Ссылки http://www.badastronomy.com/bitesize/steinem.html -- 18.2 Кб -- 09.04.2016
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412. Phil Plait's Bad Astronomy: Bitesize Astronomy
... What's New? Bad Astronomy . ... News . ... Bulletin Board . ... Bitesize Astronomy . ... Bad Astro Store . ... On board are seven astronauts that will perform the second Hubble Space Telescope (HST) servicing mission. ... Also on board Discovery is a new data recorder, which will allow much more data to be taken at the same time on HST, as well as a new Fine Guidance Sensor, which helps the telescope track on its targets. ... 2008 Phil Plait. ... Talk about Bad Astronomy on the BA Bulletin Board! ...
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Ссылки http://www.badastronomy.com/bitesize/service.html -- 20.2 Кб -- 09.04.2016
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413. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... The Space Telescope Imaging Spectrograph is one of the new instruments put on board the Hubble Space Telescope (HST) in February of 1997. ... Imagine my surprise when I added the images together and saw that smudge turn into a beautiful spiral galaxy! ... Just from the picture it is hard to know how far away that galaxy is, but I guess that it is about one billion (1,000,000,000) light years away. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/parspir.html -- 21.8 Кб -- 09.04.2016
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414. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Before we get to this week's snack, let me remind you that Leonids meteor shower peaks November 17. ... Theorists take that data and work mathematical models, trying to see if they can get the known laws of physics to mimic reality. ... It was an interesting feeling to actually see that area of sky with my own eyes. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter!...
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Ссылки http://www.badastronomy.com/bitesize/observe.html -- 21.5 Кб -- 09.04.2016
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415. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize 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. ... One in particular was named Charles Messier (he was French, so don't pronounce it ``mess ee er''! ... Between the years 1771 and 1784 the list grew to about 100 objects (many of which were found by others as well), and he gave his list to other comet hunters so they might not be fooled. ...
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Ссылки http://www.badastronomy.com/bitesize/messier.html -- 21.5 Кб -- 09.04.2016
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416. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... For example, I have recently become interested in very low mass stars; stars with less than 15% or so the mass of the Sun. ... The painting is of an extremely low mass star called Gliese 229B or Gl229B for short. Gl229B is what we call a brown dwarf; a star with such a low mass that it cannot even fuse hydrogen into helium in its core. Gl229B orbits a more massive, but still very low mass star, called (you guessed it!) ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/lowmass.html -- 20.7 Кб -- 09.04.2016
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417. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... I am often asked, though, why it is that the if the summer solstice is the longest day of the year, why is it we don't have the earliest sunrise and latest sunset on that day? ... If the Earth orbited the Sun in a circle, then the summer solstice would have the earliest/latest sunrise/sunset. ... This means that sometimes the Earth is a bit closer to the Sun, and other times it is a bit farther away. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/longday.html -- 19.1 Кб -- 09.04.2016
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418. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Site Info . ... NEW: see the Leonids LIVE! ... I have added a list of live webcasts that will let people all over the Earth see what the shower is doing from the points which may get the predicted max from the meteors. ... A dark site is best, but Leonids are known for fast bright meteors, so even a bright sky is not so bad. ... Here is a list of web sites that will be broadcasting the Leonids live over the web. ... Leonids Live! ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/leonids.html -- 25.6 Кб -- 09.04.2016
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419. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... One of the first targets for anyone with a small telescope is Jupiter. ... The disk of Jupiter itself is easily resolved, and a small 'scope will reveal that the planet has three ghostly bands across its "surface". Those bands are actually immense hurricanes, fueled by Jupiter's interior heat and whipped into horizontal bands by the planet's fast rotation (Jupiter spins once every nine hours or so). ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/jupbelt.html -- 20.3 Кб -- 09.04.2016
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420. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Site Info . ... Our Galaxy, called the Milky Way, is a vast collection of gas, dust and about a half trillion stars. ... The Milky Way has other, smaller galaxies that also orbit it, galactic moons, if you will. ... In recent times as many as a dozen other, fainter galaxies have been found orbiting the Milky Way as well. ... This companion galaxy has passed through the Milky Way several times, and evidently will continue to do so. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/invader.html -- 19.5 Кб -- 09.04.2016
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