A Rare ‘Full Cold Moon Kiss’ Is Coming This Week—Here’s How to See It

jamesvancouver/iStock via Getty Images
jamesvancouver/iStock via Getty Images

Every year ends with a cold moon—the name given to a full moon that appears in December. The full cold moon that's lighting up skies in 2019 will come with a bonus spectacle for sky-gazers. As Forbes reports, a planetary "kiss" between Saturn and Venus will coincide with the last full moon of the year. Here's what you need to know about the astronomical events.

What is a Full Cold Moon Kiss?

The full moon of each month has a unique nickname associated with the time of year it occurs. A cold moon happens as temperatures drop and winter settles in, hence the name. December's full moon has also been called the long nights moon by some Native American tribes and the moon Before Yule in Europe, according to Travel and Leisure.

This year's moon will be visible the night of December 11 through the morning of December 12. On this same night, the planets Venus and Saturn will appear closer than usual in the night sky. The celestial bodies will be less than 2° apart and share a celestial longitude, a phenomena known as a conjunction or a planetary "kiss."

How to See the Full Cold Moon Kiss

During twilight on Tuesday, December 10, the bright planet Venus and the dimmer planet Saturn will arrive at their closest conjunction, 1.8° apart, above the southwestern horizon. The following evening, they'll be just .01° further away. Stick around the night of Wednesday, December 11 to catch the full cold moon, which reaches peak illumination at 9:12 p.m. on the West Coast and at 12 minutes after midnight on the East Coast.

Not planning on staying up late to see the moon reach its fullest state? Moonrise on December 11 will be just as spectacular. When the moon surfaces around sunset, it will appear larger and more reddish in color in the sky. Meanwhile, Venus's and Saturn's kiss will be visible 180º away.

[h/t Forbes]

The Moon Will Make Mars Disappear Next Week

Take a break from stargazing to watch the moon swallow Mars on February 18.
Take a break from stargazing to watch the moon swallow Mars on February 18.
Pitris/iStock via Getty Images

On Tuesday, February 18, the moon will float right in front of Mars, completely obscuring it from view.

The moon covers Mars relatively often—according to Sky & Telescope, it will happen five times this year alone—but we don’t always get to see it from Earth. Next week, however, residents of North America can look up to see what’s called a lunar occultation in action. The moon's orbit will bring it between Earth and Mars, allowing the moon to "swallow" the Red Planet over the course of 14 seconds. Mars will stay hidden for just under 90 minutes, and then reemerge from behind the moon.

Depending on where you live, you might have to set your alarm quite a bit earlier than you usually do in order to catch the show. In general, people in eastern parts of the country will see Mars disappear a little later; in Phoenix, for example, it’ll happen at 4:37:27 a.m., Chicagoans can watch it at 6:07:10 a.m., and New Yorkers might even already be awake when the moon swallows Mars at 7:36:37 a.m.

If you can’t help but hit the snooze button, you can skip the disappearing act (also called immersion) and wait for Mars to reappear on the other side of the moon (called emersion). Emersion times vary based on location, too, but they’re around an hour and a half later than immersion times on average. You can check the specific times for hundreds of cities across the country here [PDF].

Since it takes only 14 seconds for Mars to fully vanish (or reemerge), punctuality is a necessity—and so is optical aid. Mars won’t be bright enough for you to see it with your naked eye, so Sky & Telescope recommends looking skyward through binoculars or a telescope.

Thinking of holding an early-morning viewing party on Tuesday? Here are 10 riveting facts about Mars that you can use to impress your guests.

[h/t Sky & Telescope]

A Snow Moon Will Light Up February Skies

makasana, iStock via Getty Images
makasana, iStock via Getty Images

February is the snowiest month of the year in many parts of the U.S., but on February 9, consider braving the weather outside to look up at the sky. That Sunday morning, the only full snow moon of the year will be visible. Here's what you need to know about the celestial event.

What is a snow moon?

If you keep track of the phases of the moon, you may already know that the full moon of each month has its own special name. Following January's wolf moon lunar eclipse is a snow moon in February. The name snow moon is said to have originated with Native American tribes, and it refers to the heavy snowfall that hits many parts of North America in February.

According to The Old Farmer's Almanac, different tribes had different names for February's full moon. The Wishram people named it the shoulder to shoulder around the fire moon and the Cherokee people called it the bone moon because animal bones were sometimes their only source of nutrition in the dead of winter. Snow moon is the name that's most commonly used by almanacs today.

When to See the Snow Moon

The moon will enter its next full phase the morning of Sunday, February 9. The snow moon will be at its fullest at 2:34 a.m. EST, but if you're not willing to stay up that late, it's still worth looking up. The previous evening—Saturday, February 8—the moon will be 99 percent illuminated on the East Coast. Check your local weather forecast and find a spot with clear skies to get the best view of the wintertime spectacle.

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