Posts by 

Scott Levine

What does opposition mean for an outer planet?

Opposition is when Earth passes directly between the sun and an outer planet, placing the outer planet on the opposite side of the sky from the sun.

The ecliptic is the sun’s path in our sky

The ecliptic is the path the sun takes across our sky. It's the Earth-sun plane, and, more or less, the plane of our solar system.

A conjunction happens when two worlds meet

A conjunction is when two objects are close together on our sky's dome. Some conjunctions can't be seen, but others look spectacular.

Spring Triangle rises late at night, heralding the season

As the Northern Hemisphere enters spring, look for the spring triangle rising in the east, made up of bright beacons from three prominent constellations.