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Astronomy

Looking for an astronomy fix? We have you covered.

Interested in stargazing? Visit Sommers-Bausch Observatory (next to Fiske) --- the observatory provides free open houses throughout the year.

Photo of a ground hog standing up in green grass
Groundhog Day

Feb. 2, 2021

Ever feel like Bill Murray in Groundhog Day? Whether Punxsutawney Phil saw his shadow or not, the holiday has roots in ancient astronomy. Feb. 2nd is a cross-quarter day, meaning it's half way between the winter solstice and the spring equinox. So, find time to celebrate the loops of time...

Read more about Groundhog Day

Screen shot from video of ocean from ISS
Down to Earth: The Astronaut’s Perspective

Jan. 26, 2021

Do you need some cosmic perspective? We certainly do. Our social media team came across this NASA piece - Down to Earth: The Astronaut’s Perspective - and wanted to share it with you. It's a good vibe on this snowy afternoon.

Read more about Down to Earth: The Astronaut’s Perspective

NASA - Astronaut Tracy Caldwell Dyson in the Cupola onboard the ISS
What's a year?

Jan. 1, 2021

2020 is in our rear view (thank goodness!) and the New Year has just begun, but what is a year anyway? A year is the time it takes our planet to make one orbit around the Sun - about 365 1/4 days. The distance our planet covers as it travels...

Read more about What's a year?

From Sky & Telescope article linked above. This simulated view depicts Jupiter and Saturn through the telescope around 6 p.m. EST December 21st. They won't be this close again until 2080. Despite appearances, Jupiter is 724 million kilometers closer to us than Saturn. North is at upper right. Image credit: Stellarium
The Great Conjunction of 2020

Dec. 21, 2020

Tonight is THE NIGHT! The universe gives us a winter solstice gift with the GREAT CONJUNCTION of Jupiter and Saturn. Binoculars or small telescopes will show both planets along with their largest satellites in the same field of view --- only 0.1 degree apart (6.1 arcminutes). Don't miss this celestial...

Read more about The Great Conjunction of 2020

Photographs of Saturn and Jupiter
Jupiter and Saturn Conjunction!

Dec. 15, 2020

Jupiter and Saturn are getting cozy! We’ve been watching them dance together since early fall. On Monday (12/21), they’ll be in the closest visible conjunction since 1226. Keep watching — they’re putting on quite a show! Read more about the conjunction on the Celestial Objects to Observe column from Sky...

Read more about Jupiter and Saturn Conjunction!

Illustration of a meteor in the sky with trees in the background
Catch a Geminid!

Dec. 10, 2020

Caught a Geminid yet? The Geminid meteor shower is known for its dependability and builds this week reaching its peak on the night of Dec. 13-14 (Sunday evening until dawn Monday). Find a dark spot, make some cocoa, grab your bag, and enjoy the show with a friend! A curious...

Read more about Catch a Geminid!

Graphic of the Sun, Earth and Moon showing the difference between a full total lunar eclipse and a penumbral eclipse.
Penumberal Lunar Eclipse

Nov. 29, 2020

Calling all Night Owls! You’re in for a treat during the wee hours Monday morning as the Moon slips into the Earth’s outer shadow for a penumbral lunar eclipse. The Moon enters the penumbra at 12:32 a.m. MST with greatest eclipse occurring at 2:43 a.m. MST (9:43 UT). This is...

Read more about Penumberal Lunar Eclipse

Graphic for 11242020 showing the Moon and Mars in the constellation of Piscescredit SkySafari
Moon and Mars swimming with fish

Nov. 24, 2020

Swimming with celestial fish… The waxing gibbous Moon and Mars form a beautiful pair as they wade in tonight’s starry night sky in the constellation of Pisces. Come on in, the water is fine. Graphic credit: SkySafari Pro

Read more about Moon and Mars swimming with fish

Photo of the night sky with grassy hill and trees and a meteor in the sky
Leonid Meteor shower

Nov. 17, 2020

Need to chill? Grab your sleeping bag, invite a friend from your pod, and head outside to enjoy the Leonid meteor shower! The best time to watch is 3am to dawn Wednesday morning when the constellation of Leo is high in the southeastern sky. Should be a great view as...

Read more about Leonid Meteor shower

ISS logo patch 20th anniversary
The International Space Station turns 20!

Nov. 10, 2020

The International Space Station turned 20 years old this month! 20 years of orbiting our planet. 20 years with a constant human presence in space. 20 years of studying how the human body responds to microgravity. 20 years of cutting edge science and research. 20 years of exploring the universe...

Read more about The International Space Station turns 20!

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More Astronomy Resources

Photo of the Andromeda galaxy by Stephan Abraas Stargate Observatory in Canon City

Astronomy-related websites

Enjoy our favorite astronomy-related websites for up-to-date information on what’s up in the sky, NASA news, beautiful astronomy images, eclipses, satellites, plus more.

  • Astronomy magazine - The Sky this Week
  • Astronomy Picture of the Day - Each day a different image or photograph of our fascinating universe
  • Heavens-Above - Information about artificial satellites, ISS, HST, and Iridium flares
  • International Dark Sky Association - Videos about Light Pollution
  • NASA - News and mission information
  • NASA - eClips: Bringing STEM alive through NASA real-world connections and a Special Edition newsletter for Earth Day
  • NASA Jet Propulsion Laboratory videos - What’s Up, Mars Report, etc.
  • NASA Eclipse Information - Eclipses of the Sun and Moon
  • Origin of the Constellations from the International Astronomical Union 
  • Sky & Telescope magazine - This Week’s Sky at a Glance
Losing the Dark still image from film of bright sky, trees and buildings

Learn about light pollution

You can learn more about light pollution and how you can help save our starry skies watch "Losing the Dark" from the International Dark Sky Association and Loch Ness Productions. Starry skies are a vanishing treasure because light pollution is washing away our view of the cosmos. It not only threatens astronomy but also disrupts wildlife, and affects human health. The glows over cities and towns — seen so clearly from space — are testament to the billions of dollars spent in wasted energy by lighting up the sky. The video introduces and illustrates some of the issues regarding light pollution and suggests three simple actions people can take to help mitigate it.

To learn more about local efforts to mitigate light pollution check out the Homeowner's Guide to Boulder's Outdoor Lighting Ordinance.

Hubble photo of a galaxy edge on

Got an astro question?

Email us! We'd love to hear from you.

A View from Earth graphic with artistic impression of being in orbit around the Earth

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FISKE PLANETARIUM

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