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Astro festivals, star parties, workshops

Summer fun! Find a 2017 star party near you.

Close conjunction of Venus and Uranus

Planet Venus passed 1.8 degrees south of planet Uranus on June 2, 2017, and Eliot Herman in Tucson captured their close conjunction.

Find the Summer Triangle

Find the Summer Triangle asterism ascending in the east on June and July evenings. It’s a large star pattern made of 3 bright stars in 3 separate constellations.

June guide to the bright planets

In June, 2 of the 5 bright planets are visible in the evening: Jupiter and Saturn. Venus is in the morning sky. Mars and Mercury are in the sun’s glare and not easily visible.

Biblical signs in the sky?

Will the sky on September 23, 2017 mirror “signs” from the Book of Revelation in the Bible? An astronomer responds.

2017’s closest supermoon is May 25

For the 1st time since 2009, a new moon – not a full moon – will be the closest and largest supermoon of a year.

Lengths of lunar months in 2017

The shortest lunar month of 2017 starts with the May 25 new moon, which is also the closest new moon of the year. Coincidence?

Polaris is the North Star

The entire northern sky wheels around Polaris. But it’s not the brightest star in the sky. In fact, Polaris ranks only 50th in brightness.

The story behind the 2017 eclipse stamp

A 1st-of-its-kind stamp that changes when you touch it, commemorating the August 21, 2017 total solar eclipse. Fred Espenak Рwhose photos are on the new stamp Рtells the story.

Does Mars have a North Star?

Earth’s North Star is Polaris. It’s the star located nearly directly above Earth’s northern axis. Will future Mars explorers have a North Star to guide them?