A Planetary Parade Appears Over Colorado
Boulder residents may have a chance to witness a beautiful sky event this week. Several planets are appearing along the same arc of the sky shortly after sunset, creating what astronomers often call a “planetary parade.”
While the planets are still millions of miles apart in space, their positions along the solar system’s orbital plane make them appear lined up from Earth’s perspective. Events like this always attract attention because they allow people to spot multiple planets in the same part of the evening sky.
Skywatchers in Boulder may be able to catch the alignment tonight and over the next several evenings this week, weather permitting.
Best Time to Look
The best viewing window is about 30 to 60 minutes after sunset, when the sky is dark enough for planets to appear but before the lowest ones dip below the horizon…