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A close-up front view of the telescope’s primary mirror which resembles a golden honeycomb; a secondary mirror is folded up in front of it.

The James Webb Space Telescope: A powerful new space observatory

Cassandra Marion, PhD

Canada Aviation and Space Museum

The largest and most powerful space observatory ever built is set to launch into space as early as December 24, 2021, and Canada has a key role in its mission.

The Dominion Observatory

The Founding and Construction of the Dominion Observatory, part 1

Associate Fellow, University of King's College and Research Associate, Maritime Museum of the Atlantic

Foreword This Collection Profile was originally written in 2005 by Dr. Brooks to commemorate the 100th Anniversary of the Dominion Observatory. It will be released weekly as a four-part series of articles. The Observatory remains a notable landmark on the grounds of the Central Experimental Farm National Historic Site of Canada, a short walk down the street from the Canada Agricultural and Food Museum in Ottawa. The 15-inch equatorial telescope remained the primary instrument there from 1905

6” Cooke & Sons refracting telescope

Social Science & Culture

Award profile: Putting a historic telescope back into focus

Ingenium - Canada's Museums of Science and Innovation

Through the course of a project spanning nine years, two Ingenium conservators — Tony Missio and David Elliott — had the chance to work on the complete restoration and preservation of the 6” Cooke & Sons refracting telescope, bought by the Meteorological Service of Canada in 1882. The telescope was in service for over 100 years; it was donated to the museum by its last owner, the University of Toronto, in 1984. The telescope was dismantled and brought to the national collection storage. On

Behind the scenes: Artifact loans demand all hands on deck

Ingenium - Canada's Museums of Science and Innovation

When a museum lends one of its precious artifacts to another institution, it’s a little bit like sending your kid off to summer camp. That’s the clever analogy conservator Erin Secord uses to explain the condition reports she’s required to send back to the Museo Galileo in Florence, Italy – about an early telescope that’s on display at the Canada Science and Technology Museum for the next few months. “It’s a little like sending your kid to summer camp; you send them with a bunch of instructions

An artist's impression of the interstellar asteroid 'Oumuamua.

The Interstellar Asteroid

Jesse Rogerson, PhD

Canada Aviation and Space Museum

There are almost one million asteroids and comets in our solar system. And every single one of them (we think) formed here, within our solar system, alongside the planets just over 4.5 billion years ago. However, in the summer months of 2017, an object not borne from the Solar System made a silent entrance, whipped around the Sun in September 2017, and started heading out again, never to return. This object, now named ‘Oumuamua, was the first asteroid discovered from outside the solar system

Telescope brings Western and Indigenous astronomy into focus

Ingenium - Canada's Museums of Science and Innovation

Two streams of astronomical thought and practice are represented in a stunning display at the Canada Science and Technology Museum – but visitors will need to act fast in order to see it. A telescope made by Eustachio Divini – an extremely fragile and valuable artifact which dates back to 1665 – is on international loan for the next six months, after travelling all the way from the Museo Galileo in Florence, Italy to Ottawa. The unexpected backdrop to this ornamented artifact – which is regally

An artists impression of an exoplanet

Planets like 'Tatooine' Could Still Be Habitable

Jesse Rogerson, PhD

Canada Aviation and Space Museum

The first exosolar planet (a planet orbiting a star other than the Sun) was discovered in 1995, and since then humans have found over 3600 planets outside of our solar system. Some of those found are orbiting not one star like we do, but two stars. For example, stars Kepler-35A and 35B orbit each other, but a planet Kepler-35b, orbits both of them. This is much more like the fantasy word Tatooine in the space epic Star Wars than our own planet Earth. In A New Hope, we see young Luke Skywalker

An artist's impression of a newly discovered exoplanet.

Newly Discovered Exoplanet May be Best Candidate in Search for Signs of Life

Jesse Rogerson, PhD

Canada Aviation and Space Museum

A newly discovered exoplanet, LHS 1140b, is being called the "best place to look for signs of life beyond the Solar System." The reason is because of a confluence of factors: the planet is likely rocky, orbits a relatively quiet star, passes in-front of its star from Earth's point-of-view every 25 days, and likely has an atmosphere. At the moment, studying that atmosphere in detail is not possible; however, with the next generation of telescopes coming online in the coming years (TMT, ELT, JWST)

An artists impression of the Extremely Large Telescope, to be in use by 2024.

ESO Signs Contracts for the ELT’s Gigantic Primary Mirror

Jesse Rogerson, PhD

Canada Aviation and Space Museum

Looks like progress for the European Southern Observatory's Extremely Large Telescope. Two contracts were awarded to companies to build and test the 39 mirror segments (each 1.4 meters across). Once completed, ELT will be the largest optical telescope on the planet.

An image of the Boomerang Nebula.

The Coldest Place in the Universe

Jesse Rogerson, PhD

Canada Aviation and Space Museum

The Boomerang Nebula is the coldest location in the known universe: it measures at roughly 2 degrees colder than empty space! This nebula is the result of the death of a red giant star, and the extreme temperature is caused by the rapid expansion of the nebula. According to thermodynamics, if you expand a gas you, cool a gas (just try using one of those compressed air cans for cleaning electronics). However, according to astronomers, a single star's death could not account for a strong enough

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