October 28th, 2016
Waning Crescent Moon
Special Guest

Special Night Vision Presentation | Where it All Started: The First Planet Images from Spacecraft

Last July, the New Horizons spacecraft flew by Pluto and sent back stunning pictures of the surface. This event, coincidentally, fell on the 50th anniversary of the first flyby spacecraft to take images of another planet: Mariner 4 at Mars.

Nick Jarvis

Gateway to the Stars February 2016

One of the central purposes of Gateway to the Stars is to dispense practical advice for those interested in using telescopes and/or binoculars to study the night sky (and sometimes the daytime sky, too). That’s especially important this month because…

Seth Jarvis

Remembering Challenger 30 Years Later

“Seared into our memory.” There are images of tragedy we experience that are so emotionally devastating our memory of them does not fade with the passage of time. January 28, 1986. Thirty years ago. I was in a coffee shop near Hansen Planetarium,…

Nick Jarvis

Night Vision: Human Spaceflight

Imagine the state of the world, and the state of science, in 1640. Galileo Galilei was in his last years, blind, and under house arrest for his view of the solar system, and Isaac Newton had not yet been born. But…

Robert Bigelow

Planet Watcher’s Alert

Each morning from the last part of January to mid-February, all five planets visible to the unaided eye (Mercury, Venus, Mars, Jupiter and Saturn) will appear together in the sky before sunrise, weather permitting. The last time this happened was…

Amy Oliver

FREE EVENT: Celebrating Women in Space Science and Engineering

50% of the newest class of NASA astronauts is female. 26% of the astronaut corps at NASA is female. 25% of the New Horizons mission team at NASA was female. And the number of women in space science and engineering…

Night Vision: Glorious Galaxies

During the first two weeks of January 1610, Galileo pointed a telescope approximately 1.5 inches in diameter up at the night sky and observed, among other things, some of the never-ending number of stars that make up the Milky Way…


Night Vision: Saturn

A bright globe surrounded by glittering rings deep in the reaches of the solar system. Inspiring, beautiful, and mysterious, is it any wonder that Saturn is referred to as the “Jewel of the Heavens”? Adorned with these rings that can…

Night Vision: Reason for the Seasons

Ah, Salt Lake City–too hot in the summer, too cold in the winter, never quite just right. Here at the end of the year, the days are shorter, the sun is low in the sky and the snow and ice…

Holly Anderson

Night Vision: Mars

Mars is there, and waiting to be reached. -Buzz Aldrin Science and science fiction have always been centered on getting to the “great beyond,” but lately these fields have been focused on one “beyond” in particular: Mars.