When and How can I see the Lunar Eclipse?

Helo.. Good Morning.. Today is a special day. Cause,there will a lunar eclipse today!! It's really rare thing happen. So,don't miss it guys. Here I will tell you when and how to see the lunar eclipse..!

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What is the Lunar Eclipse? When and How can I See it?

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A lunar eclipse can occur only at full moon. A total lunar eclipse can happen only when the sun, Earth and moon are perfectly lined up — anything less than perfection creates a partial lunar eclipse or no eclipse at all. Some understanding of simple celestial mechanics explains how lunar eclipses work. 

Because the moon's orbit around Earth lies in a slightly different plane than Earth's orbit around the sun, perfect alignment for an eclipse doesn't occur at every full moon. A total lunar eclipse develops over time, typically a couple hours for the whole event. Here's how it works: Earth casts two shadows that fall on the moon during a lunar eclipse: The umbra is a full, dark shadow. The penumbra is a partial outer shadow. The moon passes through these shadows in stages. The initial and final stages — when the moon is in the penumbral shadow — are not so noticeable, so the best part of an eclipse is during the middle of the event, when the moon is in the umbral shadow.

Total eclipses are a freak of cosmic happenstance. Ever since the moon formed, about 4.5 billion years ago, it has been inching away from our planet (by about 1.6 inches, or 4 centimeters per year). The setup right now is perfect: the moon is at the perfect distance for Earth's shadow to cover the moon totally, but just barely. Billions of years from now, that won't be the case.

According to NASA, two to four solar eclipses occur each year, while lunar eclipses are less frequent. "In any one calendar year, the maximum number of eclipses is four solar and three lunar," the agency said. However, while solar eclipses can only be seen along a roughly 50-mile wide path, each lunar eclipse is visible from over half the Earth.

NEWS TECH SPACEFLIGHT SCIENCE & ASTRONOMY SEARCH FOR LIFE SKYWATCHING VIDEO ENTERTAINMENT NEWS TECH SPACEFLIGHT SCIENCE & ASTRONOMY SEARCH FOR LIFE SKYWATCHING VIDEO ENTERTAINMENT Space.comSkywatching Super Blue Blood Moon 2018: When, Where and How to See It Wednesday By Jesse Emspak, Space.com Contributor | January 30, 2018 02:00pm ET 2294 24 MORE   Skywatchers are in for a rare treat tomorrow (Jan. 31): a Blue Moon, a total lunar eclipse and a supermoon all at the same time! It's the first total lunar eclipse since 2015 and the first Blue Moon Blood Moon visible from the U.S. since 1866! Here's our full guide, and latest stories, of this rare Super Blue Blood Moon lunar eclipse! Live Webcasts! | Best Viewing Locations | US Weather Forecast | Teach Your Kids! Advertisement Editor's note: If you capture an amazing photo or video of the Jan. 31 total lunar eclipse and would like to share it with Space.com for a story or gallery, send images and comments to: spacephotos@space.com. Latest Updates Powered by 24liveblog   Blue Moon   Thought to be called "blue" after an old english term meaning "betrayer," a Blue Moon is an extra full moon that occurs due to a quirk of the calendar. [See the full Blue Moon Infographic here.] Credit: Karl Tate, SPACE.com A Blue Moon is when two full moons happen in the same calendar month; lunar eclipses occur when the moon passes into Earth's shadow; and supermoons happen when the moon's perigee — its closest approach to Earth in a single orbit — coincides with a full moon. In this case, the supermoon also happens to be the day of the lunar eclipse. The first full moon of January  occurred on the night of Jan. 1 or the morning of Jan. 2, depending on your location.You can see our full coverage of that event here:  Biggest Full Moon of 2018 Shines in Spectacular New Year's Photos The second full moon and the lunar eclipse will occur on the night of Jan. 31 or the morning of Feb. 1. And the supermoon will take place on the night of Jan. 30, which is technically one day before the moon reaches peak fullness, but even NASA is willing to call the event a supermoon nonetheless. [How to Photograph the Supermoon: NASA Pro Shares His Tips] On Jan. 31, not every place on Earth will see the Blue Moon this month, because the second full moon of January won't technically appear in those places until Feb. 1. These places include regions in eastern Asia and eastern Australia, where skywatchers won't see the first full moon until Jan. 2 and the next full moon until the morning of Feb. 1. For example, in Melbourne, Australia, the full moon arrives on Jan. 2 at 1:24 p.m. local time, and the next full moon is on Feb. 1 at 1:26 a.m., so skywatchers will technically miss the Blue Moon by less than 2 hours. But their fellow Aussies in Perth, in the southwestern part of the country, will get one, since the first full moon occurs on Jan. 2 at 10:24 a.m. local time, so the moon will still look quite full when it rises at 7:35 p.m. On Jan. 31, the moon rises at 7:09 p.m. and reaches fullness at 9:26 p.m. Blue Moons are not as rare as the old saying "once in a blue moon" implies; they happen about once every 2.7 years, because the number of days in a lunation (new moon to new moon) is a bit less than the usual calendar month — 29.53 days as opposed to 31 or 30 days (except for February, which has 28 days, so a blue moon cannot occur). A sequence of 12 lunations adds up to 354.36 days, against the 365.24 days in a year. The discrepancy adds up over time, until a year will have 13 lunations as opposed to 12. For some observers, 2018 will feature two Blue Moons — one in January and one in March (with no full moon in February). Stages of the January 31, 2018 "super blue blood moon" (weather permitting) are depicted in Pacific Time with "moonset" times for major cities across the US, which affect how much of the event viewers will see. While viewers along the East Coast will see only the initial stages of the eclipse before moonset, those in the West and Hawaii will see most or all of the lunar eclipse phases before dawn. Credit: NASA Supermoon and lunar eclipse The real star of the show for moon watchers is the lunar eclipse on Jan. 31. The supermoon (when the moon reaches its closest point to Earth in this orbit) will be the day before, on Jan. 30 at 4:58 a.m. EST (0958 GMT). The moon will be 223,068 miles (358,994 kilometers) from Earth, compared to the average distance of 238,855 miles (384,400 km), according to NASA. Though a supermoon does appear slightly larger in the sky than a full moon that takes place when Earth's lunar companion is farther away from us in its orbit, the difference is nearly impossible for most skywatchers to notice because the moon is so bright and the maximum possible difference in the moon's apparent size is small (only about 14 percent), according to NASA.   Unlike solar eclipses, which are only visible from specific places on Earth, lunar eclipses are visible from anywhere it is nighttime. Lunar eclipses don't occur every month because the plane of the lunar orbit is slightly tilted relative to the plane of the Earth's orbit, so the Earth, sun and moon don't always line up to put the moon in Earth's shadow. For the Jan. 31 lunar eclipse, viewers in some places will not be able to see the entire event because it starts near moonrise or moonset. Lunar eclipses are only visible on Earth's night side. Observers in New York City will see the moon enter Earth's penumbra (the lighter, outer part of its shadow) at 5:51 a.m. on Jan. 31. The penumbra darkens the moon only a little; unless you're especially keen eyed, it is often difficult to notice. The moon will touch the umbra, the darker part of the shadow that gives the eclipse the distinctive look of darkening and reddening the moon, at 6:48 a.m. local time. But the moon sets only 16 minutes later, so New Yorkers will get to see only the first part of the eclipse. To see as much of the eclipse as possible, you'll want to be near a flat western horizon. The situation gets better as you move west. Chicagoans will see the penumbra touch the moon at 4:51 a.m. local time, and it will still be a good 26.7 degrees above the horizon (about 53 times the apparent width of the full moon). The umbral eclipse will start at 5:48 a.m. local time, and by 6:16a.m., the moon will take on its characteristic blood-red color as it enters totality. Even so, it will set only minutes later, at 7:03 a.m., just as the sun rises.   Areas of the world that will see the Jan. 31, 2018, total lunar eclipse. The eclipse will be visible Jan. 31 in the morning before sunrise for North America, Alaska and Hawaii. Observers in the Middle East, Asia, eastern Russia, Australia and New Zealand will see it during moonrise the evening of Jan. 31. Credit: NASA   In Denver and points west, the eclipse will start at 3:51 a.m. local time, with the umbra reaching the moon's edge at 4:48 a.m. The point of maximum eclipse, when the moon is deepest in the shadow of the Earth, will occur at 6:29 a.m. For the Mile-High City, the moon will set after the lunar eclipse ends at 7:07 a.m. local time, when the moon exits the umbra. Moonset will follow at 7:10 a.m. Californians will have a better view of the end of totality, as the penumbral eclipse will start at 2:51 a.m. local time, and the partial eclipse will begin at 3:48 a.m. At 4:51 a.m. local time, the total phase will start, ending at 5:29 a.m. Totality will end at 6:07 a.m., and the moon will emerge from the umbra at 7:11 a.m. The penumbral shadow will pass after the moon is just below the horizon. As one travels west across the Pacific, the lunar eclipse will occur earlier in the night; skywatchers in Hawaii will be able to see the entire thing from beginning to end, as will Alaskans and viewers in eastern Asia and Australia. On Jan. 31, people in Tokyo will see the lunar eclipse's penumbral phase start at 7:51 p.m. local time. The umbra will touch the moon at 8:48 p.m., and the maximum eclipse will be at 10:29 p.m. At 11:07 p.m., the moon will reach the opposite side of the umbra, and at 12:11 a.m. on Feb. 1, it will emerge and enter the penumbra. At 1:08 a.m., the eclipse will end for viewers in Tokyo.   People in eastern Europe and western Asia will see something like a mirror image of the eclipse that observers in the Americas will see, because instead of occurring near moonset, the eclipse will start before the moon rises. Viewers in Moscow will see the moon make a dramatic entrance as it rises while it is still red and deep in Earth's shadow. Moonrise there is at 5:01 p.m. local time on Jan. 31, and the moon will reach the edge of the umbra at 5:07 p.m. The moon will emerge from the dark part of Earth's shadow at 6:07 p.m. In New Delhi, the moon will rise at 5:55 p.m. local time and will be fully covered by the umbra at 6:21 p.m., so it will turn red just as it reaches about a half a hand's width above the eastern horizon.  Supermoon Quiz! Are You Super or Just Lost in Space? While the moon is always a beautiful sight in the sky, occasionally skywatchers are treated to a special "supermoon." Do you know at what phase a supermoon occurs? Or why supermoons don't happen every month? Start the Quiz 0 of 10 questions complete You can follow Space.com on Twitter @Spacedotcom. We're also on Facebook & Google+.  EDITOR'S RECOMMENDATIONS Full Moon Sunday Kicks Off 'Supermoon Trilogy,' Including a Lunar Eclipse Lunar Eclipses: What Are They & When Is the Next One? 10 Surprising Facts About Lunar Eclipses Advertisement Advertisement SUBSCRIBE TO SPACE.COM SUBMIT FOLLOW US MOST POPULAR Super Blue Blood Moon 2018: When, Where and How to See It Wednesday The Phases of the Super Blue Blood Moon of 2018 Explained SpaceX's First Falcon Heavy Rocket Test Launch Set for Feb. 6 2018 Full Moon Calendar The Biggest Space Stories of the Week Advertisement Advertisement COMPANY Company Info About Us Contact Us Advertise with Us Using Our Content Licensing & Reprints Terms of Use Copyright Policy Privacy Policy NETWORK Top Ten Reviews Tom's Guide Laptop Mag Tom's Hardware Business News Daily Tom's IT Pro Space.com Live Science Active Junky ShopSavvy AnandTech Dignifyed FOLLOW US SUBSCRIBE TO SPACE SUBMIT Copyright © 2018 All Rights Reserved.   NEWS TECH SPACEFLIGHT SCIENCE & ASTRONOMY SEARCH FOR LIFE SKYWATCHING VIDEO ENTERTAINMENT NEWS TECH SPACEFLIGHT SCIENCE & ASTRONOMY SEARCH FOR LIFE SKYWATCHING VIDEO ENTERTAINMENT Space.comSkywatching Super Blue Blood Moon 2018: When, Where and How to See It Wednesday By Jesse Emspak, Space.com Contributor | January 30, 2018 02:00pm ET 2294 24 MORE   Skywatchers are in for a rare treat tomorrow (Jan. 31): a Blue Moon, a total lunar eclipse and a supermoon all at the same time! It's the first total lunar eclipse since 2015 and the first Blue Moon Blood Moon visible from the U.S. since 1866! Here's our full guide, and latest stories, of this rare Super Blue Blood Moon lunar eclipse! Live Webcasts! | Best Viewing Locations | US Weather Forecast | Teach Your Kids! Advertisement Editor's note: If you capture an amazing photo or video of the Jan. 31 total lunar eclipse and would like to share it with Space.com for a story or gallery, send images and comments to: spacephotos@space.com. Latest Updates Powered by 24liveblog   Blue Moon   Thought to be called "blue" after an old english term meaning "betrayer," a Blue Moon is an extra full moon that occurs due to a quirk of the calendar. [See the full Blue Moon Infographic here.] Credit: Karl Tate, SPACE.com A Blue Moon is when two full moons happen in the same calendar month; lunar eclipses occur when the moon passes into Earth's shadow; and supermoons happen when the moon's perigee — its closest approach to Earth in a single orbit — coincides with a full moon. In this case, the supermoon also happens to be the day of the lunar eclipse. The first full moon of January  occurred on the night of Jan. 1 or the morning of Jan. 2, depending on your location.You can see our full coverage of that event here:  Biggest Full Moon of 2018 Shines in Spectacular New Year's Photos The second full moon and the lunar eclipse will occur on the night of Jan. 31 or the morning of Feb. 1. And the supermoon will take place on the night of Jan. 30, which is technically one day before the moon reaches peak fullness, but even NASA is willing to call the event a supermoon nonetheless. [How to Photograph the Supermoon: NASA Pro Shares His Tips] On Jan. 31, not every place on Earth will see the Blue Moon this month, because the second full moon of January won't technically appear in those places until Feb. 1. These places include regions in eastern Asia and eastern Australia, where skywatchers won't see the first full moon until Jan. 2 and the next full moon until the morning of Feb. 1. For example, in Melbourne, Australia, the full moon arrives on Jan. 2 at 1:24 p.m. local time, and the next full moon is on Feb. 1 at 1:26 a.m., so skywatchers will technically miss the Blue Moon by less than 2 hours. But their fellow Aussies in Perth, in the southwestern part of the country, will get one, since the first full moon occurs on Jan. 2 at 10:24 a.m. local time, so the moon will still look quite full when it rises at 7:35 p.m. On Jan. 31, the moon rises at 7:09 p.m. and reaches fullness at 9:26 p.m. Blue Moons are not as rare as the old saying "once in a blue moon" implies; they happen about once every 2.7 years, because the number of days in a lunation (new moon to new moon) is a bit less than the usual calendar month — 29.53 days as opposed to 31 or 30 days (except for February, which has 28 days, so a blue moon cannot occur). A sequence of 12 lunations adds up to 354.36 days, against the 365.24 days in a year. The discrepancy adds up over time, until a year will have 13 lunations as opposed to 12. For some observers, 2018 will feature two Blue Moons — one in January and one in March (with no full moon in February). Stages of the January 31, 2018 "super blue blood moon" (weather permitting) are depicted in Pacific Time with "moonset" times for major cities across the US, which affect how much of the event viewers will see. While viewers along the East Coast will see only the initial stages of the eclipse before moonset, those in the West and Hawaii will see most or all of the lunar eclipse phases before dawn. Credit: NASA Supermoon and lunar eclipse The real star of the show for moon watchers is the lunar eclipse on Jan. 31. The supermoon (when the moon reaches its closest point to Earth in this orbit) will be the day before, on Jan. 30 at 4:58 a.m. EST (0958 GMT). The moon will be 223,068 miles (358,994 kilometers) from Earth, compared to the average distance of 238,855 miles (384,400 km), according to NASA. Though a supermoon does appear slightly larger in the sky than a full moon that takes place when Earth's lunar companion is farther away from us in its orbit, the difference is nearly impossible for most skywatchers to notice because the moon is so bright and the maximum possible difference in the moon's apparent size is small (only about 14 percent), according to NASA.   Unlike solar eclipses, which are only visible from specific places on Earth, lunar eclipses are visible from anywhere it is nighttime. Lunar eclipses don't occur every month because the plane of the lunar orbit is slightly tilted relative to the plane of the Earth's orbit, so the Earth, sun and moon don't always line up to put the moon in Earth's shadow. For the Jan. 31 lunar eclipse, viewers in some places will not be able to see the entire event because it starts near moonrise or moonset. Lunar eclipses are only visible on Earth's night side. Observers in New York City will see the moon enter Earth's penumbra (the lighter, outer part of its shadow) at 5:51 a.m. on Jan. 31. The penumbra darkens the moon only a little; unless you're especially keen eyed, it is often difficult to notice. The moon will touch the umbra, the darker part of the shadow that gives the eclipse the distinctive look of darkening and reddening the moon, at 6:48 a.m. local time. But the moon sets only 16 minutes later, so New Yorkers will get to see only the first part of the eclipse. To see as much of the eclipse as possible, you'll want to be near a flat western horizon. The situation gets better as you move west. Chicagoans will see the penumbra touch the moon at 4:51 a.m. local time, and it will still be a good 26.7 degrees above the horizon (about 53 times the apparent width of the full moon). The umbral eclipse will start at 5:48 a.m. local time, and by 6:16a.m., the moon will take on its characteristic blood-red color as it enters totality. Even so, it will set only minutes later, at 7:03 a.m., just as the sun rises.   Areas of the world that will see the Jan. 31, 2018, total lunar eclipse. The eclipse will be visible Jan. 31 in the morning before sunrise for North America, Alaska and Hawaii. Observers in the Middle East, Asia, eastern Russia, Australia and New Zealand will see it during moonrise the evening of Jan. 31. Credit: NASA   In Denver and points west, the eclipse will start at 3:51 a.m. local time, with the umbra reaching the moon's edge at 4:48 a.m. The point of maximum eclipse, when the moon is deepest in the shadow of the Earth, will occur at 6:29 a.m. For the Mile-High City, the moon will set after the lunar eclipse ends at 7:07 a.m. local time, when the moon exits the umbra. Moonset will follow at 7:10 a.m. Californians will have a better view of the end of totality, as the penumbral eclipse will start at 2:51 a.m. local time, and the partial eclipse will begin at 3:48 a.m. At 4:51 a.m. local time, the total phase will start, ending at 5:29 a.m. Totality will end at 6:07 a.m., and the moon will emerge from the umbra at 7:11 a.m. The penumbral shadow will pass after the moon is just below the horizon. As one travels west across the Pacific, the lunar eclipse will occur earlier in the night; skywatchers in Hawaii will be able to see the entire thing from beginning to end, as will Alaskans and viewers in eastern Asia and Australia. On Jan. 31, people in Tokyo will see the lunar eclipse's penumbral phase start at 7:51 p.m. local time. The umbra will touch the moon at 8:48 p.m., and the maximum eclipse will be at 10:29 p.m. At 11:07 p.m., the moon will reach the opposite side of the umbra, and at 12:11 a.m. on Feb. 1, it will emerge and enter the penumbra. At 1:08 a.m., the eclipse will end for viewers in Tokyo.   People in eastern Europe and western Asia will see something like a mirror image of the eclipse that observers in the Americas will see, because instead of occurring near moonset, the eclipse will start before the moon rises. Viewers in Moscow will see the moon make a dramatic entrance as it rises while it is still red and deep in Earth's shadow. Moonrise there is at 5:01 p.m. local time on Jan. 31, and the moon will reach the edge of the umbra at 5:07 p.m. The moon will emerge from the dark part of Earth's shadow at 6:07 p.m. In New Delhi, the moon will rise at 5:55 p.m. local time and will be fully covered by the umbra at 6:21 p.m., so it will turn red just as it reaches about a half a hand's width above the eastern horizon.  Supermoon Quiz! Are You Super or Just Lost in Space? While the moon is always a beautiful sight in the sky, occasionally skywatchers are treated to a special "supermoon." Do you know at what phase a supermoon occurs? Or why supermoons don't happen every month? Start the Quiz 0 of 10 questions complete You can follow Space.com on Twitter @Spacedotcom. We're also on Facebook & Google+.  EDITOR'S RECOMMENDATIONS Full Moon Sunday Kicks Off 'Supermoon Trilogy,' Including a Lunar Eclipse Lunar Eclipses: What Are They & When Is the Next One? 10 Surprising Facts About Lunar Eclipses Advertisement Advertisement SUBSCRIBE TO SPACE.COM SUBMIT FOLLOW US MOST POPULAR Super Blue Blood Moon 2018: When, Where and How to See It Wednesday The Phases of the Super Blue Blood Moon of 2018 Explained SpaceX's First Falcon Heavy Rocket Test Launch Set for Feb. 6 2018 Full Moon Calendar The Biggest Space Stories of the Week Advertisement Advertisement COMPANY Company Info About Us Contact Us Advertise with Us Using Our Content Licensing & Reprints Terms of Use Copyright Policy Privacy Policy NETWORK Top Ten Reviews Tom's Guide Laptop Mag Tom's Hardware Business News Daily Tom's IT Pro Space.com Live Science Active Junky ShopSavvy AnandTech Dignifyed FOLLOW US SUBSCRIBE TO SPACE SUBMIT Copyright © 2018 All Rights Reserved. 

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Don't miss this perfect lunar eclipse!!