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Topic: Jupiter and Venus
Posted by: James Petri
Date/Time: 30/06/15 22:11:00

Tonight look west to see a cool astronomical phenomenon: the two brightest planets, Venus and Jupiter, will seemingly collide in the night sky.
Of course, the planets aren't actually hitting each other in reality, they're hundreds of millions miles apart. But from our vantage point, they've been steadily approaching each other throughout the month of June. This evening will mark their closest pass scientifically known as a conjunction as they move within a third of a degree of each other.

Because the two planets are so bright, they can easily be spotted without binoculars or a telescope and can even be seen before night completely falls. Just look to the west, and you'll see the two planets nearly touching, forming what looks like a double star fairly close to the horizon.
These sorts of conjunctions occur because the planets orbit the sun at different rates: it takes Venus only 225 (Earth) days to complete a lap around the sun, compared to 12 (Earth) years for Jupiter. As a result, from our vantage point, they occasionally appear to pass each other in the sky and if they align just right in a straight line with Earth, they appear to collide.

Entire Thread
TopicDate PostedPosted By
Jupiter and Venus30/06/15 22:11:00 James Petri
   Re:Jupiter and Venus30/06/15 22:42:00 Delilah Hall
      Re:Jupiter and Venus30/06/15 23:21:00 Ian Wylie
         Re:Re:Jupiter and Venus30/06/15 23:32:00 Delilah Hall

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