February 13th, 2016
Waxing Crescent Moon
Seth Jarvis

Transit of Venus – June 5th – and why it matters

A Transit of Venus… A tiny black dot taking hours to cover a distance no greater than the width of a pea held at arm’s length. A rare alignment of Earth, Venus and the Sun, resulting in Venus appearing to…

Seth Jarvis

Venus – Diving to the Sun

With all the excitement surrounding the May 20th Annular Eclipse, it’s easy to overlook something else that’s astronomically very interesting in the night sky.

“Gateway to the Stars” on April 7: Leo the Guidepost!

The transition into early Spring gives us a great opportunity to see some of our favorite constellations from the Winter (like Orion the Hunter) but also some great previews of the Spring stars. Join us for “Gateway to the Stars“,…

Robert Bigelow

A Mid-March Planetary Conjunction

Venus and Jupiter, the two brightest planets in the night sky, are moving toward each other. At least that appears to be the case from our perspective on Earth. In reality, the individual motions of all three plants around the…

Seth Jarvis

Inferiority Complex

There is a lot happening in the sky in 2012! There’s the annular eclipse of the Sun on May 20th. There’s the not-again-visible -in-America-until-the-year-2125 Transit of Venus on June 5th. I’ll post entries in the Clark Planetarium blog about those…

Robert Bigelow

A November observing challenge

During the first half of November the planets Mercury and Venus will appear close to each other in the evening sky. The challenge is seeing them. The difficulty arises from the geometric relationship between Earth’s axis tilt and its orbit at this time of year. We will experience a 25 hour day on Sunday, November 6 as Daylight Saving Time ends. The Leonid meteor shower peaks on the evening of November 17, but light from a last quarter moon will interfere with the view for those observing after midnight.


June Night Sky Calendar

Ahh, June. Summer begins, nights are warm, skies are mostly clear. It’s a great month for stargazing. Here are some highlights for the month. June 1st: The New Moon is on June 1st, occurring at 3:03 pm, MDT. With no…

Robert Bigelow

Greatest elongation times two

Now is the time to see Venus and Mercury! Venus is at greatest elongation on Saturday, January 8 and Mercury is at greatest elongation on Sunday, January 9.


Two Planets, the Moon and a Bright Star

I’m an early riser these days. Didn’t used to be. There was a time when I would routinely stay up until 1 or 2 in the morning. Now, I tend to be done around 11 pm, and I wake up…

Seth Jarvis

Venus: It’s Just a Phase it’s Going Through

Grab your party hats and telescopes, it’s time to celebrate 400 years of observational heliocentrism. You have a good opportunity this week to observe Venus and see the dynamic geometry of the solar system in action. While you are looking…