March 27, 2021 – 9:00 p.m.
This March 28, get outside and admire the full moon – it will appear 16% brighter than usual.
It also heralds a lot of changes, if you believe the sky watchers. To some it is known as the “full worm moon”. The name relates to the fact that it is spring and with the thawing of the ground, earthworms reappear.
It is also known as the ‘full raven moon’, for when the croaking crows signify the end of winter, or the ‘full moon crust’ because the snow crusts with freezing nighttime temperatures, according to farmersalmanac.com
What’s unique about this month’s full moon is that it could arguably be called a super moon, but that term is open to interpretation.
Although there is no official definition of the term “supermoon”, it is generally labeled as such when the full or new moon occurs during its closest approach to Earth, during the elliptical orbit of the Earth. moon around the planet.
This point is called the perigee.
According to the website timeanddate.com, there are only two super full moons in 2021 – in April and May.
The website defines a super moon as a “new moon or full moon that occurs when the center of the moon is less than 360,000 kilometers from the center of the Earth.”
If so, then the March super moon misses this definition by only 2,170 kilometers, 362,170 km from Earth.
The April full moon is 357,615 kilometers away and the May full moon is 357,462 kilometers from Earth.
Other sources define a super moon differently. For example, astrologer Richard Nolle, who coined the term “supermoon,” defined it as a new or full moon that occurs when the moon is at or near (less than 90% of) its (perigee) approach. ) closest to Earth.
According to earthsky.org, depending on whether you choose the perigee that is closest to the year or the perigee for a given monthly orbit, Noelle’s definition of a super moon can be narrowed down or expanded – just say the explanation is complicated.
Either way, the March 28 full moon will appear about 16% brighter than an average full moon.
It officially happens at 11:48 a.m. Sunday morning, but it’s best to watch it on Saturday or Sunday evening – that is, if we can see it.
Environment Canada is calling for cloudy skies on Saturday evening and clouds with the possibility of showers on Sunday evening in Kamloops and the Okanagan.
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