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The Sky This Week: Pluto reaches opposition

The Sky This Week: Pluto reaches opposition

The Sky This Week: Pluto reaches opposition

The Sky This Week: Pluto reaches opposition

Observing, Planets

How to view Pluto at opposition this week

The Sky This Week: Venus and Mars meet for a conjunction

Venus, the star Regulus, the Moon, Mars, and Mercury seen over the Badlands in South Dakota on Sept. 18, 2017. Credit: Gregg Alliss.

Observing, Planets

How to see the Venus and Mars conjunction this month

The Sky This Week: Venus meets the Beehive

Sky This Month: July 2021

Deep-Sky Objects, Observing

Track down the 25 best planetary nebulae in the night sky

The Sky This Week: The Moon and giant planets

Astronomy for beginners, Observing

Non-urban observin’