Mayıs 29, 2022

PoderyGloria

Podery Gloria'da Türkiye'den ve dünyadan siyaset, iş dünyası

Gezegenler alacakaranlık ve şafak, ay tutulması ve koma yıldız kümesi

Mayıs’a ne kaldı? Gezegenler alacakaranlık ve şafak, ay tutulması ve koma yıldız kümesi.

Gökyüzü haritası Merkür, 2 Mayıs’ta hilal ve parlak yıldız Aldebaran eşliğinde batı gökyüzünde alçak görünüyor. Kredi: NASA/JPL-Caltech

Gezegeni keşfetmek için iki büyük fırsatla başlayıp bitebilir. 2 Mayıs’ta, gün batımından yaklaşık 45 dakika sonra batıya bakın ve ince bir hilal ile birlikte ufuktan yaklaşık 10 derece Merkür’ü bulun. Ayın hemen güneyinde, Merkür ile yaklaşık olarak aynı parlaklığa sahip olması gereken parlak kırmızı dev yıldız Aldebaran var. (Bu arada, akşamın erken saatlerinden ağustos ayına kadar çıplak gözle bir gezegeni tespit etmek için tek şans bu.)

Jüpiter ve Mars çok yakın görünecek

Gökyüzü haritası, 28-30 Mayıs sabahı gökyüzünde Jüpiter ve Mars’ın nasıl çok yakın görüneceğini gösteriyor. Kredi: NASA/JPL-Caltech

Daha sonra Mayıs ayının son haftasında her sabah izleyebilirsiniz.[{” attribute=””>Jupiter and Mars get increasingly close in the predawn sky. Their morning meetup culminates in a close conjunction that you can watch on the 28th through the 30th, where they’ll be separated by barely the width of the full moon. Should look incredible with binoculars, where you can also see Jupiter’s largest moons.

Skywatchers in the Western Hemisphere can look forward to a total lunar eclipse in mid-May. The event will be visible across the Americas, Europe, and Africa – basically anywhere the Moon is above the horizon at the time.

Eclipse Visibility Map May 2022 Total Lunar Eclipse

Eclipse visibility map for the May 15-16, 2022 total lunar eclipse. Credit: NASA/JPL-Caltech

The visible part of the eclipse begins about 10:30 p.m. U.S. Eastern time on May 15th, with totality starting an hour later and lasting for about an hour and a half. Those in the Eastern U.S. will see the eclipse start with the Moon well above the horizon. For the Central U.S., the eclipse starts about an hour and a half after dark, with the Moon relatively low in the sky. On the West coast of the U.S., the Moon rises with totality beginning or already underway, so you’ll want to find a clear view toward the southeast if viewing from there.

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Now, lunar eclipses are the ones that are safe to look at directly with your eyes, binoculars, or a telescope (unlike solar eclipses).

The Moon takes on a dim, reddish hue during the period of totality. Even though the Moon is fully immersed in Earth’s shadow at that time, red wavelengths of sunlight filter through Earth’s atmosphere and fall onto the Moon’s surface. One way to think of this is that a total lunar eclipse shows us a projection of all the sunrises and sunsets happening on the planet at that moment.

So check your local details for this eclipse, and find lots more eclipse info from NASA at this link

Finally in May, a really nice target for binoculars: the Coma star cluster. This loose, open star cluster displays 40 or 50 stars spread over a region of sky about three finger-widths wide. The brightest stars in the cluster form a distinctive Y shape, as seen here.

Coma Star Cluster in May

Sky chart showing where to find the Coma star cluster in May. The cluster is about 6° wide, and is located about 15° east of the hindquarters of Leo, the lion constellation, which is found high overhead in the south. Credit: NASA/JPL-Caltech

The Coma star cluster is located about 300 light-years away, making it the second-closest open cluster to Earth after the Hyades cluster in Taurus.

To find the Coma star cluster, look southward for the constellation Leo. It can be easiest to start from the Big Dipper, toward the north, and use the two “pointer stars” on the end which always point you toward Leo. Once you’ve identified Leo, the Coma star cluster is about 15 degrees to the east of the triangle of stars representing the lion’s hindquarters. It’s relatively easy to find with binoculars, even under light-polluted urban skies – as long as it’s clear out.

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So here’s wishing you clear skies for finding the Coma star cluster and any other wonders you discover in the night sky in May.