Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2015 August 17

Andromeda Rising over the Alps
Image Credit & Copyright: Matteo Dunchi
Explanation: Have you ever seen the Andromeda galaxy? Although M31 appears as a faint and fuzzy blob to the unaided eye, the light you see will be over two million years old, making it likely the oldest light you ever will see directly. Now rising near a few hours after sunset from mid-latitude northern locations, Andromeda is rising earlier each night and will be visible to northerners all night long starting in September. The featured image captured Andromeda rising above the Italian Alps last month. As cool as it may be to see this neighboring galaxy to our Milky Way with your own eyes, long duration camera exposures can pick up many faint and breathtaking details. Recent data indicates that our Milky Way Galaxy will collide and coalesce with the slightly larger Andromeda galaxy in a few billion years.
, reputedly named after Scathach; other sources say she’s living in the Alps. She initiates young men into the arts of war, as well as giving them the “friendship of her thighs”, that is to say, initiating them sexually. She grants three wishes to the hero Cuchulainn, because her daughter Uathach, being in love with him, has told him how to make her do it. The three wishes are to train him in the arts of war, to marry her daughter Uathach and to tell his fortune which she does by using imbas forosnai(“charm of the palms”), party foretelling the events of the Tain Bo Cuailgne (Cattle Raid of Cooley) in dark terms.
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