A lunar occultation of Delta Scorpii, a bright, second magnitude star and one of the principal stars in Scorpio, the scorpion, occurs tonight, Sunday June 12th. What is a Lunar Occultation? A lunar occultation is exactly what it sounds like. The moon occults a star and astronomers often take advantage of these events to better[…]
Tonight’s southern vista features the waxing gibbous moon 2 days before full, 4 degrees north of the heart of the Scorpion, the red supergiant star Antares. For complete ephemerides of the moon, including phase, please visit Time and Date. The current phase of the moon is always displayed on any of our articles or pages[…]
Dr. James Daly of Astronomy For Change narrates “The Sky Tonight” for for Mid-October. This is our latest Planetarium Show where we tour the waning skies of summer and focus on the third star in our list of the 10 brightest stars, Antares. Imagination is more important than knowledge An index of all articles can[…]
Related videos available at the foot of the page. With this third in installment in our ten-part series on the ten brightest stars we’re pleased to present the red supergiant star Antares, the Heart of the Scorpion. Derived from the Greek, the star’s name refers to it as a “rival to-Ares” (“opponent to-Mars”) with a[…]
Here at Astronomy for Change we often get questions, good questions, about various topics in astronomy. Here’s a sampling of some of the more common questions received as of late: Which planets we can see from earth What star did sailors use to navigate? Why is Sirius so easy to find in the night sky?[…]
The object discussed in this article, Terzan5, was featured as the Astronomy Picture of the Day, APOD for 21 September, 2016 Astronomy Picture of the Day In a few articles I’ve touched upon a poorly understood class of objects known as Globular Clusters. These objects and the stars in them are galactic relics, timeposts that[…]
Looking up at the shimmering sapphire set low in the western sky towards midnight, Arcturus, we are reminded that another summer is here, that spring is gone and that Father Time continues his cadence, marking the years; it is a reminder that everything is changing and growing; it is solace in an insane world and[…]
