Nevertheless,
Full moon, alignment planets …:
This weekend, the moon will surely seem huge and very bright. Moreover, It’s the full moon of the sturgeon who invites himself into the August sky.
This name comes from the old farmer’s almanac, which traditionally gives the name to the moons. For example, Why sturgeon? Meanwhile, Because it is a widespread fish in Canadian waters at the beginning of the month. However, “This name is not scientific”, nuance Alexandre Le Rouxmember of the Astronomical Society of Rennes. Therefore, “It’s an explanation above all historical et anthropological. »»
A perception – Full moon, alignment planets …
From Friday 8 to Sunday 10 August, therefore, the moon will be bring together of the horizon. This full moon, alignment planets … phenomenon plays on the difference in perception that we have of its size.
It seems enormous when in reality, it is a similar size when it is higher in the sky. It is because we have something to compare its size for example with a tree. a building or an electric pole that it seems more voluminous.
A planet parade
At the same time as the satellite will be round. the planets will be aligned in our galaxy. “What is called, in everyday language, the alignment of planets,” says Alexandre Le Roux. But in reality, there is no perfect alignment.
This impression is indeed linked “to the ecliptic”. specifies the passionate of astronomy, that is to say This imaginary line that we draw on the celestial vault, not far from which the full moon, alignment planets … planets revolve around the solar system.
Thus. when several planets are visible at the same time, they therefore seem to follow on this same line, a bit like Pearls on a thread : This is called A planet parade.
But the exact centers of the planets are not never “aligned on a perfectly straight line”,underlines Alexandre.
How to see these stars this weekend?
Every evening, from Friday to Sunday, the full moon will be visible Southeast from 11 p.m. .
Since the full moon is very bright, there is no interest in going to a place with less light pollution. You just have to have it in your field of vision. we will see it in the city center of Rennes as well as in the Arrée mountains.
In summary: any full moon, alignment planets … place will do the trick to observe the full moon. the Details from its surface to the naked eye This weekend, “as long as the horizon is cleared in the southeast from 11pm, then cleared south after 1:30 am”.
Regarding the alignment of the planets. “we can only see SaturnIn the sky to the naked eye ”in the evening, says Alexandre. If the rings star appears East around 11:30 p.m. , Venus and Jupiterget up at the same cardinal point after 4h. “Before, they are under the horizon,” explains the amateur astronomer.
To find Saturn in the sky, you have to look for “the rather luminous point that does not sparkle”. Uranus and Neptuneon the other hand, are not perceptible to the naked eye.
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Further reading: On the air | Summer’s song is always waiting – The trapezoid dress of Courrèges, symbol of female emancipation – “All indicators are green for the weekend” – The voices and wounds of childhood: 3/9 episode of the podcast stories of voice – An important birthday for Ève-Marie Lortie.
