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Old 01-12-2018, 12:30 PM
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Default Canarian Weekly: NASA opts for galaxy picture

NASA has chosen, for its picture of the day, a photograph taken by Canarian astrophysicist Daniel Lopez from Teide’s Observatory in Tenerife.

It is a rare photograph, featuring the clouds of Andromedia, which is a giant spiral galaxy and one of the closest to the planet Earth. It has a diameter of about 220,000 light years, in which almost a billion stars are gathered.

The picture is special to NASA because these particular clouds have been seen previously, only in images taken of the Milky Way.

You can see the galaxy with the naked eye, and is quite easy to find where there is no light pollution. And that is why, among the astrophysicists who live here on the Canary Islands, it is almost always the main topic of conversation.

In Daniel’s picture, there are also some reddish clouds around the Galaxy which are, supposedly, formed from a gas of ionised hydrogen.
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