This isn’t the moon. It’s the planet Venus as seen through the telescope. As Venus wanes in the evening sky it gets closer to Earth. The lit portion of Venus covers the greatest area of sky when its disk is about one-quarter illuminated. Image via Statis Kalyvas/ European Southern Observatory/ Wikimedia Commons

July 23, 2010

Like what you read?
Subscribe and receive daily news delivered to your inbox.

Your email address will only be used for EarthSky content. Privacy Policy
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

More from 

Bruce McClure

View All