June's Cosmic Word of the Day: Saturday, June 14
Term: Pulsar
Definition: A pulsar is a spinning neutron star emitting radiation.
Simple Explanation: It's a star that flashes like a lighthouse.
Example: The Crab Pulsar spins 30 times per second.
June's Sky Gem of the Night: Hercules
What It Is: Constellation with the keystone asterism.
How to Locate: Look high overhead (~9:30 PM). Hercules's keystone is ~55° up.