The Boston Globe, April 10th, 2001
In the western sky at nightfall on any clear early evening for the next couple of weeks, Jupiter and Saturn are shining brightly. These are the only two of the solar system's nine planets currently visible in the evening; unless you count the Earth under your feet, which makes three. Where are the rest? Why are they invisible? For various reasons. Mars, Venus and Mercury are all below the horizon in early evening. In other words, they're behind the other side of the Earth. Mars rises around midnight and shines bright orange during the early-morning hours. Venus rises when dawn begins; look for...
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