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Category: Astronomy

Astrophotography picture of the Moon

What Is A Blue Moon?

Tuesday October 20th
Michelle Nichols

Header Image: Astrophotography picture of the Moon. Image Credit: Nick Lake What, exactly, is a blue moon, and how rare is it? This question seems like it should have a straightforward answer, but as with all things related to language, it’s complicated. Absurd, Impossible, or Rare? The phrase blue moon has been around for several […]

The Andromeda Galaxy taken by astrophotographer Nick Lake

Space Poetry

Thursday October 8th
Colleen Cesaretti

Image Caption: The Andromeda Galaxy taken by an astrophotographer. Image Credit: Nick Lake From galactic paintings to space poetry, everyone’s favorite out-of-this-world muse—aka our universe—inspires all kinds of stellar works of art. Our staff came together and composed a few short poems all about aspects of space that inspire them. STAGES In my youth, I […]

Header Image: Planetarium guests attend a sky show with the Zeiss Mk II projector at the Adler c. 1955. Image Credit: The Adler Planetarium Archives

The Adler Planetarium’s Original 1930 Zeiss Projector

Saturday September 26th
Pedro Raposo

Header Image: Planetarium guests attend a sky show with the Zeiss Mk II projector at the Adler c. 1955. Image Credit: The Adler Planetarium Archives When the Adler Planetarium opened in 1930 as America’s first planetarium, the centerpiece was a star projector made by the Carl Zeiss company of Germany, the Zeiss “Mark II”. This […]

Image taken of Venus by NASA's Mariner 10 spacecraft in 1974 Image Credit: NASA/JPL-Caltech

Space News: Detection of Phosphine Molecules on Venus

Thursday September 17th
Colleen Cesaretti

Header Image: Photo taken of Venus by NASA’s Mariner 10 spacecraft in 1974. Image Credit: NASA/JPL-Caltech Have you heard the news? On September 14, 2020, a scientific team through the Royal Astronomical Society announced the detection of phosphine molecules in clouds on Venus! This means Venus—the hottest, terrestrial planet in our solar system—is making headlines […]

Looking through a telescope at the Adler Planetarium.

Choosing A Telescope

Tuesday August 11th
Megan Lothamer

Header Image: Looking through a telescope at the Adler Planetarium. One question we often get at the Adler is: “I’m a beginner. What’s the best telescope for me?”  The really short answer is, “The best telescope for you is the one you will actually use!” But the long answer can get more complex. So before […]

Social Distancing For Galaxies

Friday August 7th
Aubrey Henretty

Header Image: The original image of galaxies NGC 6285 (left) and NGC 6286 (right) was taken by NASA Hubble. Image Edit: Adler Planetarium We all know that social distancing is a good way to avoid catching (or spreading) a virus, but what if the stakes were even higher? What if standing too close to someone […]

Header Image: Adler Planetarium with a Full Moon in the background taken by Adler Planetarium Telescope Volunteer in July 2020. Image Credit: Bill Chiu

Adler Astronomers Love Talking Space

Friday July 10th
Colleen Cesaretti

Header Image: The Adler Planetarium with a Full Moon in the background taken by Adler Planetarium Telescope Volunteer in July 2020. Image Credit: Bill Chiu You have space questions, we have answers! Astronomers are constantly discovering and uncovering new secrets about space, which we know can lead to lots of questions. Will a black hole […]

Whirlpool Galaxy taken by Adler Planetarium Telescope Volunteer Bill Chiu

You Asked, Our Astronomers Answered!

Thursday May 7th
Colleen Cesaretti

Header Image: A beautiful image of The Whirlpool Galaxy taken by an Adler Planetarium Telescope Volunteer. Image Credit: Bill Chiu Our universe is vast, mysterious, and ever expanding! Astronomers are constantly discovering and uncovering new secrets about space, which we know can lead to lots of questions. What is a black hole? When can you […]

Pocket globe by Thomas Lane (London, c. 1830), Adler Planetarium collections. This globe was symbolically taken aboard Space Shuttle Discovery in 1999 during the mission STS-103. 

Changing Views of the Earth

Thursday April 16th
Pedro Raposo

Header Image: Pocket globe by Thomas Lane (London, c. 1830), Adler Planetarium collections. This globe was symbolically taken aboard Space Shuttle Discovery in 1999 during the mission STS-103.  The conception of Earth has changed dramatically over time. It was only four centuries ago that Earth started to be widely regarded as a planet, and it […]

The spotty surface of Betelgeuse shown with two, large, bright, star spots. The spots potentially represent enormous convective cells rising from below the supergiant's surface. They are bright because they're hotter than the rest of the surface, but both spots and surface are cooler than the Sun.

Betelgeuse: A Supernova in the Works

Sunday April 5th
Bianca Anderson

Header Image: The spotty surface of Betelgeuse shown with two, large, bright, star spots. The spots potentially represent enormous convective cells rising from below the supergiant’s surface. They are bright because they’re hotter than the rest of the surface, but both spots and surface are cooler than the Sun. Image Credit: Xavier Haubois (Observatoire de […]

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