http___metro-portal.hr_hrvati-ostaju-zakinuti-za-nebeski-spektakl_66236_1.xml
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Tax Day Total Lunar Eclipse Kicks Off Blood Moon 'Tetrad' Fancy a lunar eclipse? Skywatchers in the United States have the chance to see four total eclipses in the next 18 months, beginning with a "blood moon" on Tuesday (April 15), just in time for Tax Day. [Click on image to enlarge]. Related Stories Lunar Eclipse Facts: 5 Neat Things About Tonight's 'Blood Moon' LiveScience.com Four Blood Moons: Total Lunar Eclipse Series Not a Sign of Apocalypse SPACE.com 'Space Monday': Total lunar eclipse, rocket launch, brush with Mars Yahoo News Blood Moon Photos: Spectacular Total Lunar Eclipse Views by Stargazers (Video, Images) SPACE.com [video] Blood Moon: How Lunar Eclipse Turns Moon Bright Red MarketWatch The moon events will begin with the total lunar eclipse of April 15, which will be visible across North America (weather permitting) starting around 2 a.m. The moon will shine red when the total eclipse happens, which will occur for about 78 minutes around 3 a.m. The total lunar eclipse "tetrad" — or group of four — will then continue with eclipses of the moon on Oct. 8, 2014, April 4, 2015 and Sept. 28, 2015. [How to See the April 15 Lunar Eclipse (Visibility Maps)] "The most unique thing about the 2014-2015 tetrad is that all of them are visible for all or parts of the USA," Fred Espenak, a NASA astrophysicist and eclipse specialist, said in a statement. Tuesday's total lunar eclipse, for example, will be visible from most of North America, as well as parts of South America and Alaska. Last week, rumors swirled online suggesting a link between the total lunar eclipse tetrad and biblical prophesies of the apocalypse because it would bring about "four blood moons." The theory was published in a book entitled "Four Blood Moons" by John Hagee in 2013. View gallery Tax Day Total Lunar Eclipse Kicks Off Blood Moon & … The phases of the April 14-15 total lunar eclipse are shown with GMT timestamps in this NASA image f … But tetrads of moon eclipses are not super-rare, in Espenak's view. "During the 21st century, there are nine sets of tetrads, so I would describe tetrads as a frequent occurrence in the current pattern of lunar eclipses," Espenak said. "But this has not always been the case. During the 300-year interval from 1600 to 1900, for instance, there were no tetrads at all." As for the why the moon turns red during the eclipse, this is because it reflects sunsets and sunrises happening all around the world as the sun shines through the Earth's atmosphere. This can turn the moon a dusky red color, sometimes even resembling the color of blood. Lunar eclipses occur during full moons, when the moon passes behind the Earth, with respect to the sun. The alignment can either completely obscure the moon with Earth's shadow (a total lunar eclipse), or partly covers the moon (a partial eclipse). Because the moon's orbit is tilted, it does not align perfectly every month, lunar eclipses typically occur about twice a year, but they usually come in different flavors. For example, a total eclipse could be followed by a partial eclipse, and then followed by a penumbral eclipse — an event in which the moon just skirts through the outer edge of Earth's shadow. And remember this if you venture outside early Tuesday to gaze at the moon: You may have to pay taxes on April 15, but seeing the total lunar eclipse is free. You only have to look up. http://news.yahoo.com/tax-day-total-lunar-eclipse-kicks-off-blood-113611... Site Statistics - Posts - Comments - Members - Newest Member thedigitalbee54 - Currently Active Users (2 members and 56 guests) - Quinton, contactorion - Recently Active Users - Quinton, contactorion, pasqualie, Chris, TillToTheWhen, bluesbaby5050, Sky, juscila, Tim Lovell, Nandy24, UN.i1-PHI, dcpgreen, BOURGARD, Crackdown, dvogel, nivine, Mmatrix, cosmicstorm, Terra Tea, xamo1, obsrvantlouie, HebrianDaniel, tizbad_20, H R REDDY, jestar44, Phaminator, harleyborgais, Tarheel Alpha Male, Franaudig38, Astrocreep87
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Hrvati ostaju zakinuti za nebeski spektakl Današnja pomrčina Mjeseca neće biti vidljiva iz Hrvatske jer zemljin satelit prolazi kroz polusjenu na završetku pomrčine u vrijeme kada kod nas nastupa večernji sumrak Danas će se zbiti potpuna ili totalna pomrčina Mjeseca ukupnog trajanja od 5 sati i 56 minuta, ali neće biti vidljiva iz Hrvatske jer Mjesec prolazi kroz polusjenu na završetku pomrčine u vrijeme kada kod nas nastupa večernji sumrak, doznaje se u Zvjezdarnici Zagreb, javlja Hina. Mjesec će potpuno u Zemljinoj sjeni provesti 51 minutu, a pomrčina će biti vidljiva iz Sjeverne Europe, Istočne Afrike, Azije, Australije, s Pacifika (Tihi ocean) i Sjeverne Amerike. Mjesec će početi ulaziti u Zemljinu sjenu u 13,45 sati po srednjoeuropskom vremenu, a potpuna pomrčina Mjeseca vidjet će se od 15,06 sati, također po srednjoeuropskom vremenu. Za vrijeme pomrčine Sunce, Zemlja i Mjesec su točno u ravnini, tako da do Mjeseca ne dopire direktna Sunčeva svjetlost jer je on u Zemljinoj sjeni. Ipak Mjesec nikada ne prekriva potpuni mrak, već poprima crvenkastu boju, jer dio Sunčeve svjetlosti "zaobilaznim" putem dođe do Mjeseca. Crvena boja se kod pomrčine Mjeseca javlja iz sličnih razloga zbog kojih je i Sunce na zalazu crveno. Sljedeća potpuna pomrčina Mjeseca dogodit će se tek 15. travnja 2014. Iz Zvjezdarnice Zagreb najavljuju da će se tijekom 2012. godine zbiti četiri pomrčine - i to po dvije pomrčine Sunca i Mjeseca. Naime, 20. svibnja 2012. zbit će se prstenasta pomrčina Sunca vidljiva iz Azije, s Pacifika (Tihi ocean), sa zapada Sjeverne Amerike, Kine, Japana i dijela Groenlanda, a 4. lipnja 2012. zbit će se djelomična pomrčina Mjeseca vidljiva iz Azije, Australije, s Pacifika i iz obje Amerike. Totalna ili potpuna pomrčina Sunca koja će se kao djelomična moći vidjeti iz Australije, s Novog Zelanda, s južnog Pacifika i s južnog dijela Južne Amerike, dok će linija totaliteta prolaziti od Australije preko južnog Pacifika zbit će se 13. studenoga 2012., a 28. studenoga 2012. zbit će se djelomična pomrčina Mjeseca Zemljinom polusjenom. Pomrčina će se vidjeti iz Europe osim krajnjeg sjevera, istočne i dijela središnje Afrike, Azije, Australije, Novog Zelanda, Pacifika i Sjeverne Amerike.