Adler Planetarium


Welcome to the Adler's Blogs! Adler Transmissions provides you with the latest news and views from Adler's astronomers, curators, partners, and programming staff. From Earth to distant planets and beyond, This Week in Space discusses the latest discoveries and accomplisments in science, space, and technology.

Chesley Bonestell's Futures

Many paintings in the Worlds of Chesley Bonestell exhibition illustrate scenes from the "future" that have since come to pass.  


New Adler Collections Catalog

One of the many benefits of working behind the scenes in a museum is the opportunity to develop personal relationships with artifacts. 


Collections Access Initiative

While we love old things in the Adler’s Webster Institute for the History of Astronomy, we are not particularly fond of old databases.


Collections Close-Up: Early Moon Maps

As our closest neighbor in the Universe, the Moon is a natural place for humans to explore. Before the telescope was invented, people usually envisioned the Moon with a smooth surface.


Caroline Herschel & Mary Somerville Hacked Astronomy

In 1835, Caroline Herschel and Mary Somerville were the first women awarded honorary memberships in the Royal Astronomical Society. Caroline and Mary weren’t the first female astronomers and they certainly weren’t the last, but the level of recognition they earned was groundbreaking.


Comets: “Divine Torches of Wrath”

In the 17th century, many people believed comets were omens of terrible things to come.


Sputnik and Project Moonwatch in Adler History

October 4 marks the fifty-sixth anniversary of Sputnik, the first Earth satellite. Launched by the Soviet Union, Sputnik was a part of the International Geophysical Year (IGY) from 1957 to 1958, a research effort involving scientists from sixty-seven nations.


Finding Inspiration in Astronomy, Art, and Architecture

Fantastic discoveries — past and present — can alter our conception of the Universe and how we view our place in it. In the 1920s, Edwin Hubble used the Period-Luminosity Relation, photographs, and the most powerful telescope in the world to demonstrate the existence of other galaxies, an idea that had been debated for centuries


A Finite View of Infinity

In the book An Original Theory or New Hypothesis of the Universe (1750), mathematician and astronomer Thomas Wright, presented an early attempt to understand a large-scale infinite cosmos. Wright based his larger cosmology on religious belief and speculation, but still allowed that telescopic observation revealed our local Universe.