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News PERSEID METEOR OUTBURST

Discussion in 'General Discussion' started by Ram, Aug 7, 2016.

  1. Ram

    Ram

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    Comin round again


    PERSEID METEOR OUTBURST:
    Every year in August, Earth passes through a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. The shower is beloved by sky watchers. It is rich in fireballs and plays out over a two-week period of warm, starry summer nights.

    This year's display is going to be even better than usual. "Our models predict an outburst on Aug. 11-12 with peak rates greater than 200 meteors/hour under ideally dark skies," explains Bill Cooke of NASA's Meteoroid Environment Office. "That's about twice as many Perseids as usual."

    [​IMG]
    Perseids in Aug. 2015, a composite image by Petr Horalek of Kolonica, Slovakia [more]

    In ordinary years, Earth grazes the edge of Swift-Tuttle's debris zone. Occasionally, though, Jupiter's gravity tugs the huge network of dust trails closer, and Earth plows through closer to the middle. This appears to be one of those years. Experts at NASA and elsewhere agree that three or more streams are on a collision course with Earth--hence the outburst.

    Observing tips: Go outside between midnight and dawn on the morning of Aug. 12th. Allow about 45 minutes for your eyes to adjust to the dark. Lie on your back and look straight up. Perseids can appear anywhere in the sky, but their tails will point back to a single point in the constellation Perseus: sky map. Increased activity may also be seen on the morning of Aug. 13th.

    Got clouds? NASA is planning a live broadcast of the Perseid meteor shower overnight on Aug. 11-12 and Aug. 12-13, beginning at 10 p.m. EDT. You can also listen to radar echoes from the Perseids on Space Weather Radio. More webcasts: from Israel, from Alabama.

    Realtime Perseid Photo Gallery
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  2. Ram

    Ram

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    It is that time again...enjoy


    THE PERSEID METEOR SHOWER IS BEGINNING: This week, Earth is entering a stream of debris from Comet 109P/Swift-Tuttle, source of the annual Perseid meteor shower. Specks of dusty debris hitting the top of Earth's atmosphere faster than 110,000 mph are burning up in the night sky, producing a spray of shooting stars from the constellation Perseus. Meteor rates are relatively low now, but they will increase sharply in the nights ahead. Forecasters expect the shower to peak on Aug. 11-13 with perhaps dozens of meteors per hour visible in bright moonlight. Visit Spaceweather.com for observing tips and sky maps.

    Remember, SpaceWeather.com is on Facebook!
    [​IMG]
    Above: On July 31, 2017, James W. Young photographed this green Perseid fireball skimming the coast off Cannon Beach in western Oregon. [meteor gallery]
  3. Bill

    Bill ... Staff Member

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    I want to go shoot but I always take 200-500 shots and capture 2 or 3.
    Funny how that works.
    Ram likes this.
  4. Ram

    Ram

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    PERSEID FIREBALLS: The Perseid meteor shower, which peaks this weekend (Aug. 12-13), produces more fireballs than any other known annual meteor shower. (Fireballs are meteors brighter than Jupiter or Venus.) This characteristic of the Perseids is important because in 2017 the shower peaks under the light of a bright gibbous Moon. Perseid fireballs should be visible in spite of lunar interference, producing a pleasing display for anyone outdoors before sunrise on Saturday and Sunday. Visit Spaceweather.com for observing tips.


    [​IMG]
    Above: A Perseid fireball photographed by Piotr Majewski of Grodztwo, Poland. More Perseids may be found in our Realtime Meteor Photo Gallery.
  5. Ram

    Ram

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    That time again. Enjoy!!

    THE PERSEID METEOR SHOWER IS UNDERWAY: You know a meteor shower is going to be good when it produces dozens of fireballs a whole week before the shower peaks. Welcome to the Perseids. The best meteor shower of the year peaks Aug. 11th-13th when Earth passes through a stream of debris from giant comet 109P/Swift-Tuttle. NASA's network of all-sky meteor cameras is already picking up strong activity over the USA, counting 66 Perseid fireballs during the three day period Aug. 4th-6th. Here's one of them, recorded Sunday morning above the Marshall Space Flight Center in Huntsville, Alabama:

    [​IMG]

    The fireball was nearly as bright as the Moon and the video shows it exploding just before it vanished.

    The Perseid meteor shower is always good, but this year it is extra-good. The Moon will be New during the shower's peak, providing a dark backdrop for as many as 100 meteors per hour. The best time to look is during the dark hours before sunrise on Sunday, August 12th, and again on Monday, August 13th. At those times, the shower's radiant will be high in the sky, spewing meteors in all directions:

    [​IMG]

    To see the greatest number of meteors, get away from city lights. Dress warmly, lie down on a blanket in a safe, dark place, and look up. Perseids can appear in any part of the sky, although all of their tails will point back toward the radiant in the constellation Perseus.

    Fun tip: Try looking for Perseids around 10 pm local time when the radiant is hugging the northern horizon. At that time, Perseids skim the top of the atmosphere, producing long colorful fireballs known as "Earthgrazers." You won't see many, but even one can make your day. Enjoy the show!
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  6. Jenny

    Jenny

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    "Time (a canyon) is but a stream I go a-fishing (rappeling) in. I drink at it, but while I drink I see the sandy bottom and detect how shallow it is. Its thin current slides away, but eternity remains. I would drink deeper; fish (explore) in the sky, whose bottom is pebbly with stars." Henry David Thoreau, from Walden.
    Rapterman, Kuenn and Ram like this.
  7. Ram

    Ram

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    That time of year again...enjoy

    THE PERSEID METEOR SHOWER IS UNDERWAY: Earth is entering a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. Forecasters expect the shower to peak on Aug. 12-13 with many fireballs slicing through the light of a nearly full Moon. It's not even August yet, but NASA's network of all-sky cameras is already detecting a few Perseid fireballs every night--rates which will surely increase in the weeks ahead.

    Comet Swift-Tuttle is a giant. Its nucleus is 26 km in diameter, or two-and-a-half times the size of the asteroid that wiped out the dinosaurs. Most other comets are much smaller, with nuclei only a few kilometers across. As a result of its size, Comet Swift-Tuttle produces a large number of meteoroids, many of which are hefty enough to produce fireballs.

    Indeed, a 6-year study by NASA's Meteoroid Environment Office found that the Perseids produce more fireballs than any other annual shower:

    [​IMG]

    During the shower, which lasts for weeks, debris particles a few cm wide hit the atmosphere with a speed of 59.6 km/s (133,350 mph). The average magnitude of the resulting fireballs is -3.7, about as bright as Venus.

    The luminosity of Perseids is important this year. In 2019 the shower peaks only a few nights before the full Moon, so meteors need to be extra bright to be seen through the glare. Some experts recommend watching a bit earlier than usual, on Aug. 9th, 10th, and 11th when the Moon is less full. The peak nights of Aug. 12th and 13th will be tempered by lunar interference. Whatever night you select, the best time to look is during the hours before sunrise when the shower's radiant is high in the sky. [sky map]
  8. hank moon

    hank moon kinetically bulbous

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    Saw a BUNCH last night hanging out near Hurricane Mesa - couple of trailers and a nice winker. It has begun!
  9. Ram

    Ram

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    The Annual Perseid Meteor Shower Is Happening This Weekend
    It's the best one of the year.

    By Tainaya Nash
    Aug 9, 2019
    [​IMG]
    Getty Images
    I never wished upon a shooting star as a kid, but I will this weekend, thanks to the Perseids meteor shower. Although it's been in effect since July 17, the shower will be at its peak this weekend, according to CNN — so grab your sleeping bag, tent, and whatever else you need, and leave the city for a one-night getaway. Before you do, here's what you should know:

    Why is August 11-13 the best time to see the Perseids meteor shower?
    It will be in full force that weekend, with about 60 showers per hour, according to Business Insider.

    How can I see the Perseids meteor shower?
    You'll need to find a secluded area with little air and light pollution (so the more rural you can get, the better). According to Business Insider, you should look northeast after midnight for the best views. There is a full moon during that time, however, which means the sky will be brighter then usual and the shooting stars will be harder to see.

    When is the next meteor shower happening?
    Don't let the full moon discourage you from trying to see this meteor shower. The Perseids shower will be the last meteor shower until October 22, when the Orionids take place.
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