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	<title>universe &#8211; Ingyenes Angol online nyelvtanulás minden nap</title>
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	<title>universe &#8211; Ingyenes Angol online nyelvtanulás minden nap</title>
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		<title>Look up! You might see a shooting star</title>
		<link>https://www.5percangol.hu/news_of_the_world/look-up-you-might-see-a-shooting-star/</link>
		
		<dc:creator><![CDATA[Dezsényi I. - Salánki Á.]]></dc:creator>
		<pubDate>Thu, 11 Aug 2016 13:26:11 +0000</pubDate>
				<category><![CDATA[Angol Nyelvvizsga]]></category>
		<category><![CDATA[Videó galéria]]></category>
		<category><![CDATA[Angol Tananyagok]]></category>
		<category><![CDATA[Egyéb videó]]></category>
		<category><![CDATA[News Of The World]]></category>
		<category><![CDATA[angol nyelvtanulás]]></category>
		<category><![CDATA[angol nyelvtanítás]]></category>
		<category><![CDATA[online angol]]></category>
		<category><![CDATA[universe]]></category>
		<category><![CDATA[meteor]]></category>
		<category><![CDATA[interesting things]]></category>
		<category><![CDATA[stars]]></category>
		<category><![CDATA[shooting star]]></category>
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					<description><![CDATA[Augusztus a hullócsillagok hónapja, nézzünk meg egy összeállítást erről az érdekes jelenségről.
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										<content:encoded><![CDATA[<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">This week the Perseid meteor shower will <strong>peak</strong>, and <strong>there&#8217;s a good chance</strong> you&#8217;ll be able to catch at least a few <strong>shooting stars</strong>. Why? Because the night sky might produce 150 to 200 meteors per hour! This is the best meteor shower of the year, and the best showing of the Perseids in two <strong>decades</strong>. So what is going on up there?</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;"><strong>COMET&nbsp;</strong>SWIFT-TUTTLE&#8217;S <strong>LOSS</strong> IS YOUR <strong>GAIN</strong></span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">As they travel, comets leave behind trillions of <strong>dust- and sand-sized</strong> <strong>particles</strong>. When the Earth crosses into the <strong>debris</strong> trail of a comet, those particles slam into the atmosphere at tens of thousands of miles per hour, producing the &#8220;shooting star&#8221; effect as they burn up.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Comet Swift-Tuttle is the source of the Perseid shower, so named for the constellation from which it seems to originate. The comet <strong>orbits</strong> the Sun every 133 years, and what you see when you&#8217;re looking at this meteor shower are particles left behind centuries ago. Ordinarily, the Earth passes through the <strong>periphery</strong> of the field of debris. This time, thanks to orbital dynamics, we&#8217;ll be passing much closer to the heart of things. Jupiter&#8217;s gravity has tightened the trail of particles into a particularly <strong>dense</strong> debris field. That makes this an &#8220;outburst&#8221; year, doubling the number of possible meteors per hour. If ever you&#8217;ve wanted to <strong>try your hand at</strong> astrophotography, this is your big chance.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">HOW TO CATCH THE SHOW</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">You don&#8217;t need much to catch a meteor shower. (A <strong>blanket</strong>, primarily. Maybe a chair.) The real issue is what you must <strong>avoid</strong> in order to see the show. And that is <strong>light pollution</strong>. It is the <strong>enemy</strong> of the night sky. It is produced by <strong>ambient</strong> lighting and such things as <strong>poorly oriented</strong> lampposts, which sometimes point out and up in addition to down, where the light is actually needed.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">For the best show possible, you&#8217;re probably going to want to get out of town if you live in a highly populated area. The simple act of driving to the countryside can <strong>triple</strong> the number of visible meteors. If the evening sky is clear and your surroundings are dark, all you need to do is look up and wait. (That&#8217;s where the blanket <strong>comes in handy</strong>.) It takes about 45 minutes for your eyes to <strong>adjust to</strong> the darkness. The best night to see the Perseids will be after midnight and before dawn on the morning of August 12, when the Earth passes through the densest part of the debris field.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">If it&#8217;s rainy where you are, don&#8217;t <strong>fret</strong>. You can already see some of the Perseids at night now, and you&#8217;ll still be able to catch meteors after the shower&#8217;s peak, through August 26. If the weather is really working against you, NASA&#8217;s Marshall Space Flight Center, home to the Meteoroid Environments Office, will be livestreaming the event at 10:00 p.m. EDT on August 11 and 12.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">source: mentalfloss</span></span></p>
<p>
	<span style="color:#ff8c00;"><strong><span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">The script of the video:</span></span></strong></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">The Perseid meteor shower will burst into light this August as Earth passes through the long trail left by Comet Swift-Tuttle — and this year, it&#8217;s slated to put on a spectacular show.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">According to NASA meteor expert Bill Cooke, the Perseids are perhaps the most popular meteor shower of the year. They will be in &#8220;outburst&#8221; in 2016, which means they&#8217;ll appear at double the usual rates.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">&#8220;This year, instead of seeing about 80 Perseids per hour, the rate could top 150 and even approach 200 meteors per hour,&#8221; Cooke said. It&#8217;s the first such outburst since 2009.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">This year should be better than average because of Jupiter&#8217;s <strong>alignment </strong>with both the Earth and the Perseid stream. Before intersecting Earth next month, the tiny Perseid particles will have passed close enough to the biggest planet in our solar system to be shifted closer to the Earth&#8217;s orbit.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">While a single observer might see as many as 60 to 90 meteors per hour during a normal Perseid shower, thanks to this gravitational boost from Jupiter, the meteor rate this year might be <strong>noticeably</strong> higher.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">When Earth passes through the debris, <strong>specks</strong> of comet stuff hit the atmosphere at 140,000 mph and <strong>disintegrate</strong> in flashes of light.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Swift-Tuttle&#8217;s debris zone is so wide that Earth spends weeks inside it.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Indeed, it is not unusual for skywatchers to see a few Perseids streaking across the midnight sky as early as July.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Comet Swift-Tuttle is the largest object known to repeatedly pass by Earth; its <strong>nucleus</strong> is about 16 miles (26 kilometers) wide.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">It last passed nearby Earth during its orbit around the sun in 1992, and the next time will be in 2126. But it won&#8217;t be forgotten in the meantime, because Earth passes through the dust and debris it leaves behind every year, creating the annual Perseid meteor shower.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Rates are highest, however, in August when Earth passes through the heart of the debris zone.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Meteors from comet Swift-Tuttle are called Perseids because they seem to fly out of the constellation Perseus.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">This arrangement of stars, which represents an ancient <strong>hero</strong> from Greek mythology, rises in the Northeast around 10 pm local time.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">As Perseus rises and the night deepens, meteor rates will increase.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">The best time to look starts around midnight.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">Meteors will be seen until dawn brightens the sky on Saturday morning, August 13th, when Perseus is near its highest point in the sky.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">For best results get away from city lights.</span></span></p>
<p>
	<span style="font-family:arial,helvetica,sans-serif;"><span style="font-size:16px;">The darkness of the countryside multiplies the visible meteor rate 3 to 10 fold compared to city views.</span></span></p>
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		<item>
		<title>NOTW &#8211; The 1£billion &#8216;time machine&#8217;</title>
		<link>https://www.5percangol.hu/2013-aprilisi-szamhoz-tartozo-hanganyagok-es-feladatok/notw-the-1billion-time-machine/</link>
		
		<dc:creator><![CDATA[Fehér Sára]]></dc:creator>
		<pubDate>Tue, 26 Mar 2013 13:34:15 +0000</pubDate>
				<category><![CDATA[Angol Nyelvoktató Magazin]]></category>
		<category><![CDATA[Letöltések]]></category>
		<category><![CDATA[5 Perc Angol Magazinok]]></category>
		<category><![CDATA[2013 Április]]></category>
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		<category><![CDATA[2013 áprilisi szám]]></category>
		<category><![CDATA[ingyenes letöltés]]></category>
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		<category><![CDATA[big bang theory]]></category>
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		<category><![CDATA[listening exercise]]></category>
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					<description><![CDATA[A 2013. áprilisi szám 6. oldalán olvasható cikket hallgathatod meg itt és nézhetsz meg hozzá egy videót. A cikk fordítását is itt találod.
]]></description>
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<p>
	<span style="font-size:14px"><span style="font-family: arial, helvetica, sans-serif"><strong>Az 1 milliárd fontos &lsquo;időgép&rsquo;</strong></span></span></p>
<p>
	<span style="font-size:14px"><span style="font-family: arial, helvetica, sans-serif">Úgy néz ki, mintha egy tudományos fantasztikus filmben lenne a helye, de ez az &lsquo;időgép&rsquo; a származásunk és a világegyetem rejtélyeit tárhatná fel. Az Atacama Large Millimeter Array, röviden ALMA a világ legerősebb teleszkópja és a föld legmagasabbika, azáltal pedig, hogy majdnem 1 milliárd fontba került, a legdrágább is a fajtájából. Azt remélik, hogy lehetővé fogja tenni a csillagászok számára, hogy többet megtudjanak az eredetünkről azáltal, hogy általa a világegyetem megalakulásának első pillanataira tekinthetnek majd vissza.</span></span></p>
<p>
	<span style="font-size:14px"><span style="font-family: arial, helvetica, sans-serif">Chile sivatagjának mélyén építették, a föld egyik legszárazabb részén. Az ALMA 16,400 láb magasságban helyezkedik el, egy jumbo-jet repülési magasságának durván a felénél, és majdnem négyszer olyan magasan, mint a Ben Nevis. Sokkal inkább mint egy egyedülálló teleszkóp, az ALMA 66 óriási antennából áll, amelyek gyenge radióhullámokat gyűjtenek az űrből, amelyeket egy szuper számítógépbe kerülnek feldolgozásra. Megépítése majd 950 millió fontba került, beleértve 65 millió fontot Nagy-Brittaniából, és általa remélik megválaszolni a kozmikus eredetünkkel kapcsolatos kérdéseket és azt, hogy honnan jöttünk.</span></span></p>
<p>
	<span style="font-size:14px"><span style="font-family: arial, helvetica, sans-serif">Azáltal, hogy rádióhullámokat gyűjt és nem optikai fényt, az ALMA a mély űr sűrű porfelhőin is át tud hatolni. Ezáltal a csillagászoknak rálátása nyílik közvetlenül a Nagy Robbanás után keletkezett galaxisokra és az egyéni csillagok és bolygók keletkezését is megfigyelhetővé tenné. Az élet eredetéről azáltal is többet megtudhatunk, hogy a vízből és vegyi anyagokból származó vegyületek nyomait is megtalálja, melyek a DNS-ben találtakhoz hasonlóak. Brian Ellison, a Tudomány és Technológiai Testület (Science and Technology Facilities Council) tagja és az ALMA brit projektvezetője azt nyilatkozta: &ldquo;Azt mondják mi mind csillagporból lettünk.&rdquo;</span></span></p>
<p>
	<span style="font-size:14px"><span style="font-family: arial, helvetica, sans-serif">A chilei sivatagra azért esett a választás, mert azon ritka helyek egyike a földön, ahol még mindig található olyan magas, száraz hely, ahol nincs mesterséges fényszennyezettség. A szárazság különösképpen fontos tényező, &nbsp;mivel a levegőben levő nedvesség elnyeli azokat a rádióhullámokat, amiket a rádiótányérok megpróbálnak begyűjteni.</span></span></p>
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