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15 апреля 2018, 10:24

April’s Lunar Calendar Kicks Off With Sunday’s New Moon

Stay on target

Between January’s “super blue blood moon” and two full moons in March, there’s been a lot of talk about Earth’s satellite.

So what’s the deal with the lunar orb, and what can you expect from it this month?

Thought to have formed some 4.51 billion years ago from debris left over after an impact between Earth and a Mars-sized body called Theia, the moon is the second-brightest regularly visible celestial object in the sky—after the sun.

While the moon itself does not radiate light, its dark surface reflects the sun’s rays at various times of day, making it a convenient timepiece; some of the earliest calendars were based on the moon’s periods of waxing and waning.

Each 30-ish-day month approximates one lunar cycle: four primary and four intermediate phases.

A new moon, like the one expected April 15, occurs when the sun and moon are aligned, with the sun and Earth on opposite sides of the satellite.

Though tough to spot, since only the dark side of the moon faces our planet, The Old Farmer’s Almanac suggests taking a peak outside at 9:57 p.m. ET on Sunday to catch a glimpse of the barely visible orb.

Two weeks later, the lunar cycle ends with a full pink moon, visible from just before 9 p.m. ET on April 29.

Named for the timely appearance of “moss pink,” or wild ground phlox, that grows in early spring, the pink moon is also called the sprouting grass moon, the egg moon, and the fish moon.

Gardeners, take note: According to folklore (described by the Farmer’s Almanac ), the days between a full moon and the last quarter moon (May 8) are best for killing weeds, thinning, pruning, mowing, cutting timber, and planting below-ground crops.

The first and last quarter phases, meanwhile, happen when the moon is half illuminated.

There are also four intermediate stages, during which Earthlings can see only a sliver of the planetoid—waxing and waning crescent moons—or three-quarters of it—waxing and waning gibbous moon.

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Source: https://www.geek.com/science/aprils-lunar-calendar-kicks-off-with-sundays-new-moon-1736914/?source