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What’s up in the Sky this September

11 Sep 2018, 16:02 UTC
What’s up in the Sky this September
(200 words excerpt, click title or image to see full post)

Article written by: Yanina Metodiva
This September is a relatively uneventful month (astronomy-wise). Few visible planets, quiet Sun and overall a very poor month for meteor showers.
The Sun is at the centre of the Solar System. Its gravity dictates the orbits of the planets. The Sun is 6000 degrees Celsius on its surface and 14,000,000,000 degrees Celsius at its core. Credit NASA/SDO
The Sun.
This month the Sun is moving away from the constellation Leo to Virgo. On the 23rd September at 2:54am BST, the Sun will reach the point of Autumnal Equinox, marking the beginning of autumn. On the equinoxes, both spring and autumnal, all over the world the night and the day have the same duration.
At the moment our Sun is very quiet, with a low number of spots appearing on its surface. Solar winds blow material from the Sun in the outer parts of the Solar system, and if they reach the Earth, they produce spectacular aurorae (northern lights). During the summer months, the nights are too bright for any aurorae to be spotted. But towards the autumn months, it is easier to spot them in the night sky. The aurora season started in the ...

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