Athabasca University captured the trail of the fireball that streaked across Albertan skies on February 22. (Ian Schofield, Athabasca University GeoSpace Observatory)
Canadian sentinels watch for streaking meteors

In Sky News This Week: The trail of a rare fireball streaking across Alberta skies caught the camera of Athabasca University on February 22.

Features

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This Week’s Sky: March 1 to 7, 2021

As the Moon wanes into the week, catch Mars passing the Pleiades on Wednesday and Mercury joining Jupiter pre-dawn on Friday.

‘Running’ the Messier marathon

It’s one all-nighter, 110 objects, and a pretty awesome feather for any visual astronomer’s cap. Here are some tips on running the Messier marathon.

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March 2021: Planets at a glance

This month, the old crescent Moon passes south of the pre-dawn planets from March 9-11, and Mars moseys between the Hyades and Pleiades.

The Latest

Mar11-2021-at-635-am-Old-Moon-Below-Mercury
This Week’s Sky: March 8 to 14, 2021

Mercury, Jupiter and Saturn crowd the pre-dawn sky for chances to meet with the old Moon this week.

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Mars by David Jenkins

Shooting from his backyard in Ontario, David Jenkins’ image of Mars won Photo of the Week for the week of October 9, 2020.

Barred Spiral Aurora by Chris Kelly
Aurora Watch

Will you see the Northern Lights tonight? Find out using these tips and tools.

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This Week’s Sky: February 22 to 28, 2021

The Moon passes Kappa Geminorum and buzzes the Beehive this week on the way to its full stage.

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Seahorse Nebula by Dave Dev

For well-done stars and an epic background, Dave Dev won the Photo of the Week on October 2, 2020 for his image of the Seahorse Nebula.

Perseverance rover starts rolling on Mars

In Sky News This Week: Researchers prepare for great scientific opportunities as NASA’s newest rover lands on the Red Planet

Explore the current issue

vol 26 March/April 2021
01_SN156_CoverDigital_21.01.14
  • 01. Canucks take flight
  • 02. Expanding horizons
  • 03. The modern makers
  • 04. Beyond Messier
  • 05. Mi'kmaw Moons
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Observing

Uranus-Jan2021
January 2021: Planets at a glance

This month, Uranus completes its retrograde loop and resumes its eastward motion in the skies, and Mercury returns to view. Here’s more on the planetary events this month.

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Seeing tonight’s Jupiter-Saturn conjunction

Weather report for December 21 got you down? See through the clouds — or at least commiserate — with RASC and Explore Scientific!

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A southern solar eclipse

A total solar eclipse will be passing over parts of South America on December 14.

About the Royal Astronomical Society of Canada

The Royal Astronomical Society of Canada (RASC) began as the Toronto Astronomical Club on December 1, 1868. The eight men who gathered to share their interests were not professional astronomers, just working-class citizens with a passion for astronomy.

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