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Professor Dave Explains
Sizes of Stars and Sub-Stellar Objects From Brown Dwarf to Red Hypergiant
We've learned about the stellar life cycle, so we know what happens to smaller stars like ours, and we know what happens to larger stars that become neutron stars and black holes. But what are the limits on either side? How small can a...
Professor Dave Explains
Edwin Hubble, Doppler Shift, and the Expanding Universe
So we've made it all the way to the 20th century with the history of astronomy. Plenty had to happen to get us to that point, but the most amazing stuff is yet to come! Shortly after Einstein did his best work, a guy named Edwin Hubble...
Professor Dave Explains
Zooming Out From Earth to the Edge of the Observable Universe
We all know that the universe is big. But how big it is? Much bigger than you think. Let's start out by looking at the Earth, and then zoom out to progressively larger and larger structures, so that we can see just how big it is. Then...
Visual Learning Systems
Sun and Stars: Space
This program investigates a very important star - our sun. The key features of our sun, as well as other stars are explored. Special attention is also given to other things in space such as asteroids and comets.
Visual Learning Systems
The Outer Planets: the Sun and Our Solar System
Students are taken on an exciting animated trip to the outer reaches of our solar system. Images from NASA and the Hubble space Telescope illustrate the Giant Red Spot on Jupiter, Saturns' beautiful rings, the tilted rings of Uranus, and...
Astrum
Are we actually in a Nebula?
What really is a nebula, and are we in fact in one? What is the Local Interstellar Cloud?
Visual Learning Systems
Sun and Stars: Video Review
This program investigates a very important star - our sun. The key features of our sun, as well as other stars are explored. Special attention is also given to other things in space such as asteroids and comets.
Professor Dave Explains
The Formation of the Solar System and the Structure of the Sun
So we learned about the formation of the Milky Way, which is the galaxy that we live in. But where in that galaxy do we live? We live on a planet that orbits a star that we simply refer to as "The Sun", so where is that, and when did our...
Professor Dave Explains
The Formation of the Milky Way Galaxy
Now that we've learned about the first ten billion years in the development of the universe, it's time to get a little more specific to our own species. We live in a galaxy called The Milky Way. When did it form, and how? Where is it...
Visual Learning Systems
Our Solar System
The video explains the concept of our Milky Way galaxy and our solar system's formation. The Inner Planets part 2/11
Curated Video
What is the Universe? (Simple English)
This live-action video program is about the word universe. The program is designed to reinforce and support a student's comprehension and retention of the word universe through use of video footage, photographs, diagrams and colorful,...
Visual Learning Systems
The Amazing Universe: Galaxies
This show explores the fascinating features of the universe, the different types of galaxies in our solar system and the position of our solar system in the Milky Way Galaxy. Other terminology includes: constellations, spiral galaxy,...
Curated Video
Star Wars: Rebuild the Galaxy – Pieces of the Past: Writers talk about the huge legacy and more
Star Wars: Rebuild the Galaxy – Pieces of the Past is a four-episode animated sequel to the 2024 special, LEGO Star Wars: Rebuild the Galaxy. Released on September 19, 2025, on Disney+, the series continues the adventures of brothers Sig...
Curated Video
Bob McDonald wants people to question pseudo-scientific claims
Science and space expert Bob McDonald shares his thoughts on space junk and why pseudoscience gets under his skin. The Quirks and Quarks host also spoke to Andrew Chang about his newest book, An Earthling’s Guide to Outer Space.
Curated Video
Analysts Predict Samsung Will Have Lowest Profit Growth in a Year
The company will release guidance for its second quarter on Friday, which is predicted to show its lowest profit growth in a year because of a drop in smartphone sales. Samsung's latest smartphone will be released August 9.
Curated Video
#AskSpace: Will we ever find intelligent alien life?
Petro Brits would like to know if we will ever find any real evidence of alien life out there? We put that question to one of the world's foremost authorities on the subject, SETI Institute Senior Astronomer Seth Shostak. "I think that...
Curated Video
Can Samsung's Galaxy S9 Stand Up to the iPhone 8?
The S9's relatively lower price tag, impressive camera updates, and AR functionality will be major draws for consumers, says Russell Holly, Senior Editor at Android Central.
Curated Video
Galaxy Note 8 Conservative, Underwhelming, and Smart Move by Samsung
The Galaxy Note 8 left our own Hope King underwhelmed, but CNET's Roger W. Cheng says Samsung's upgrade is much needed for Note loyalists, who have basically gone two years without a new phone.
Curated Video
‘That’s something nobody ever knows’: Michael Rooker sheds Yondu's secrets
The Guardians of the Galaxy Vol. 2 star stored an interesting incentive inside his character’s pocket
Curated Video
Guardians of the Galaxy Vol. 2: trash pandas and deju vu
The irreverent smash hit from Marvel is back for a 2nd instalment. Fun and familiar stuff, says CBC film critic Eli Glasner
Curated Video
Astronomers discover star formation near galactic black holes
Ejected matter from black holes can create fast-moving stars
Curated Video
The new sequels set to be released in the movie world in 2017
It is the final chapter for the most successful video game film franchise. The movie ‘Resident Evil: The Final Chapter’ kicks off our look at the movies set to be released this year and our choice are all sequels to earlier successes....
Curated Video
Star Wars economics
Zachary Feinstein of Washington University has done an entire research paper on the economy of that galaxy far, far away
Curated Video
One-billion star map of the Milky Way
It features more than 1.1 billion stars and is the largest map of its kind ever compiled. The fruit of three years of hard work by the European Space Agency’s Gaia satellite, which has been scanning the heavens relentlessly, the catalog...