April 16th, 2014
Waning Gibbous Moon
moon
Mike Murray

“Gateway to the Stars” Dec. 7 – The Andromeda Galaxy

Last month we saw how The Great Square of Pegasus can serve as an ideal guidepost to finding other bright stars and deep sky objects in the Autumn sky.

Seth Jarvis

Cool Factoid About Galaxies

In his Bad Astronomy blog post today, Phil Plait describes a new and exciting explanation for why spiral galaxies get all spirally.

Mike Murray

“Gateway to the Stars” Nov 3 – The Andromeda Galaxy

Now that we’re well into Fall, the constellation of Pegasus the Winged Horse is high in the sky.

Seth Jarvis

A long time ago in a galaxy far, far away…

…on the outer edge of a spiral galaxy, home to a hundred billion stars… …a star died. This was no ordinary star.  It was a monster of a star, at least 20 times more massive than our Sun.

Mike Murray

Gateway to the Stars – May edition

This month’s performance of Gateway to the Stars coincides with National Astronomy Day, with the show running at 6:45 pm on Saturday, May 7.  Spring is not only the time for Astronomy Day, but is also the best season for…

Talia Butler

Violent Universe opens February 18

Experience intense cosmic destruction from the safety of our Hansen Dome Theatre. Clark Planetarium’s newest feature, Violent Universe: Catastrophes of the Cosmos, is a sure fit for those who enjoy the splendid beauty of our cosmic surroundings paired with explosive…

Richard

How Far Can You See?

The most distant object observable with the unaided eye is visible in our current night time sky. It is the Great Galaxy in Andromeda, M31. There are many ways to find this object. I prefer to use the constellation Cassiopeia.…

Robert Bigelow

Neutrinos and Supernova 1987A

Twenty-three years ago, on 23 February 1987 at 12:35 a.m. MST, detectors in the US, Japan and Russia observed a burst of 24 neutrinos. They came from a supernova in the Large Magellanic Cloud, a small satellite galaxy to the…

Seth Jarvis

Cosmic Quiz: Supermassive Black Holes

This week’s Cosmic Quiz winner is Carina Wytiaz, who asked, I’ve heard that all galaxies have a black hole at the center. Does our galaxy have a black hole? You heard correctly, Carina.  Astronomers have found evidence that all galaxies…

Seth Jarvis

Cosmic Quiz: How fast are we going?

This week’s Cosmic Quiz winner is Greg McMurray, who asked: How fast is the Earth moving relative to everything else? Let’s break it down. The first motion of Earth that we’re all familiar with is rotation – the movement of…