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Keep your eye on the sky this month. Beginning on Friday (6/10), the five planets of Mercury, Venus, Mars, Jupiter, and Saturn will all be aligned in planetary order. This rare phenomenon has not occurred since December 2004. You'll need binoculars along with a clear view of the eastern horizon to spot Mercury later this week. Then, as the month goes on, Mercury will become brighter and easier to see. Scientists say the rest of the planets should be consistently visible to the naked eye. You'll also need to set your alarm for an early morning wakeup call because the best shot to see the spectacular sight is in the 30 minutes before sunrise.