A Full Beaver Moon Is Coming in November

SusanHepton/iStock via Getty Images
SusanHepton/iStock via Getty Images

The title given to the full moon of any given month can tell you a lot about the priorities of early Americans. In August, the full sturgeon moon once meant it was time to harvest the fish from the Great Lakes, while the worm moon of March referenced the earthworms that signaled the approach of spring. The beaver moon, which is set to appear on November 12 in 2019, is no different.

What is a beaver moon?

Beaver moon is the name of the first (and typically the only) full moon of the November lunar cycle. It's meaning is said to have originated with the Algonquin people, and was eventually adapted by European colonists in North America. November used to be the time for putting down beaver traps in anticipation of the cold winter months. It's usually the last month before swamps and lakes freeze over up north, and therefore it was the last month to stock up on warm beaver furs.

Another folk name for November's full moon is the full frost moon, but according to The Old Farmer's Almanac, beaver moon is the name that stuck.

When to See the Beaver Moon

Following September's Friday the 13th harvest moon and October's hunter's moon, the beaver moon in November is the next full moon to catch. It will reach its fullest state at 8:34 a.m. ET, but it will still appear full the previous night and the following evening. For the best viewing conditions, go out when the sky is darkest—usually around midnight—on November 12, and make sure you're in a spot with minimal light pollution. Here are some more tips for sky gazing.

How to Catch the Transits of Mercury and the 'Demon Star' This Month

Allexxandar/iStock via Getty Images
Allexxandar/iStock via Getty Images

This month's sky-gazing event calendar is all about transits. In astronomy, a transit occurs when one celestial body appears to pass directly in front of another in the night sky, causing the light from one body to diminish in some cases. As Geek reports, there are two main transits to look out for in November: that of Mercury moving across the sun and the dimming and brightening of the "demon star" Algol.

What is a Mercury transit?

Mercury is currently in retrograde (though you shouldn't blame that for any chaos in your personal life). As the innermost planet travels "backwards" across the sky this month, it will make a rare detour past the face of the sun on November 11. Mercury's transit across the sun is something that only happens roughly 13 times every 100 years. Such an event won't be seen again in the U.S. until 2049.

This time around, it will take Mercury about five and a half hours—starting just after sunrise on the East Coast—to make the full journey from one end of the bright yellow disc to the other.

What is a "demon star" transit?

The transit of Algol, also known as the demon star, is a much more common event, but it's no less spectacular. Algol is really two stars in the constellation Perseus that are constantly orbiting each other. Every 2.86736 days, the smaller star of the pair passes in front of the larger star, making it appear slightly dimmer for 10 hours at a time. In the first half of the month, most of these transits occur after sunset on the East Coast, which is the best time to observe the transition. The next is set for November 9 at 3:17 a.m. EST, with the one after that taking place on November 12, six minutes after midnight.

Algol gets its monstrous nickname from a classic villain of Greek mythology. The star is supposed to resemble the winking, snake-haired head of the gorgon Medusa, who was slain by Perseus. Algol is a name derived from an Arabic word meaning "the demon's head."

How to see Mercury's and Algol's transits

To see both of these events, you'll need some special equipment. Looking directly at the sun is never a good idea, and NASA recommends using a telescope with a certified sun filter to watch Mercury's transit safely on November 11. A solar projection box or sun funnel would also allow you to observe the planet's passage without damaging your eyes.

There's no harm in looking straight at the twin stars that make up Algol, but you'll have trouble seeing them "blink" with your naked eye. For that event, a regular telescope or binoculars would do.

[h/t Geek]

The Orionid Meteor Shower Will Peak on Monday Night

jk78/iStock via Getty Images
jk78/iStock via Getty Images

If you missed Halley's Comet's last trip through the inner solar system in 1986, you'll have to wait a while to catch its next appearance. The comet is only visible from Earth every 75 to 76 years. Though the comet itself is elusive, the debris from its tail lights up the night sky on a regular basis. To view the Orionid meteor shower when it peaks today—Monday, October 21, 2019—here's what you need to know.

What Are the Orionids?

As Halley's Comet propels through our solar system, it drags a trail of rocks and dust behind it. The tail is vast enough to a leave thick band of space debris in its wake. Every October, our planet passes through this rocky field, producing brilliant "shooting stars" as the meteors burn up in the atmosphere. From Earth, the meteor shower appears to originate from the constellation Orion, which is how it got its name.

When to See the Orionid Meteor Shower

The Orionids are visible from Earth starting in the beginning of October, but they don't peak until the latter half of the month. This year, the meteor shower will be brightest the night of Monday, October 21 and the morning of Tuesday, October 22. The moon will be around its last quarter phase at this time, which means that bright skies could wash out the light show for many. But if you wait until the hours leading up to dawn, when the moon sets and skies are darkest, you may be able to spot the shower.

To see it, make sure you're in an area with clear, open skies and minimal light pollution. Whether you live in the Northern or Southern hemispheres, you should be able to experience the phenomena if conditions are optimal.

[h/t Newsweek]

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