Look east before dawn, where bright Venus and Jupiter – and fainter Mars – shine close together. Mercury will join the scene in mid-month. Photo taken October 2, 2015 by Mohamed Laaifat Photographies in Normandy, France. Thank you, Mohamed!
October is going to be a fantastic month for planet-watching before dawn. Here’s a preview of what’s to come …
The waning crescent moon will swing by the morning planets Venus, Mars and Jupiter – around October 8, 9 and 10. Read more.Circle October 10 and 11 on your calendar. That’s when you have the opportunity to view the waning crescent moon and Mercury coupling up in the east before dawn. Read more.Jupiter will be in conjunction with Mars on October 17. Read more.A grouping of three planets inside a circle having a 5-degree diameter on the sky’s dome is known as a planetary trio. Venus, Jupiter and Mars will form a planetary trio in the east before dawn from about October 24 to around October 29. Another grouping of three planets won’t happen again until January 10, 2021. Read more.
Bottom line: Don’t miss these bright planets in the east before dawn. They’ll perform an intricate dance throughout October, 2015. Photo by Mohamed Laaifat Photographies in Normandy, France.
Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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