EarthSky News - Oct 12 - How Many People?

October 12 How Many People? by:

Today in science: The Day of 6 Billion Global population reached 6 billion in 1999 and 7 billion in 2011. Today, it stands at about 7.6 billion … and counting. Find charts and graphs explaining more here. Today in science: Proxima Centauri found Astronomers announced the discovery of Proxima Centauri - next-nearest star to our sun - on this date in 1915. Tonight … What bright star flashes red and green? The bright star twinkling with red and green flashes, low in the northeastern sky on October evenings, is probably Capella. Meet the Double Cluster in Perseus The Double Cluster in the constellation Perseus is a breathtaking pair of star clusters, each containing supergiant suns. How to find it in your sky.

EarthSky t-shirts are back EarthSky is happy to announce our latest initiative EarthSky Cares. A percentage of proceeds collected through this sale will be donated to select organizations. Click here to help us make a difference in our world today!

Juno sees Jupiter and 2 large moons Jupiter and 2 of its largest moons – Io and Europa - captured by the Juno spacecraft as it performed its 8th flyby of the planet on September 1, 2017.

What bright star flashes red and green? Earth's atmosphere causes the colorful flashing. If you could travel to it in space, you'd find that Capella is actually two golden stars, in some ways similar to our sun. Submit your photo to EarthSky here!

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