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October 2015 astronomy events

27 Sep 2015, 00:00 UTC
October 2015 astronomy events
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¡SkyCaramba! Weekly astronomy blog for the week ending October 3, 2015
October starts with quite a morning show going on. Venus, Mars, and Jupiter are all next to Leo and moving toward rendezvous later this month. Mars has just moved below Regulus. Venus will pass by the star on the 8th with a crescent moon right behind it. (For viewers in much of Australia, the moon will occult the planet.) The moon will be next to Mars and Jupiter the next day. After that, keep watching every morning as the planets draw closer. Mars and Jupiter are next to each other on the 17th and 18th. The red planet goes below Jupiter after that, but it isn’t far away when Venus joins Jupiter for a close call on the 25th. Venus just happens to be at greatest elongation 46° west of the sun on the 26th. All three planets are within 5° of each other on the 28th as they form an isosceles triangle.
Venus keeps dropping below and is closest to Mars in early November. Although all three planets are in direct motion (moving eastward compared to the stars behind them), they are also rising earlier each morning. They ...

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