SciShow
Why Scientists Briefly Thought the Earth Was Hollow
Our understanding of the world has to start somewhere! And while early ideas like the Hollow Earth Theory are mostly wrong and sound silly to us now, that doesn’t mean they weren’t important.
SciShow
The Coolest Space Mission You May Have Never Heard Of
Some space missions get a lot of attention, but not all the biggest space exploration stories get the recognition they deserve. This is the story of a robotic craft that captured the first-ever glimpse of a comet’s icy core!
SciShow Kids
Comets and Asteroids!
Our journey through the solar system continues, as Jessi gives you a close look at comets and asteroids!
Crash Course
Comets
Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail....
Curated Video
OTD In Space - July 2: Space Probe Launches To Halley’s Comet
On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly nine months later on March 14, 1986, Giotto became the first spacecraft to observe of a comet up close when it...
Astrum
The Beguiling Opportunity That Appears Twice in a Lifetime: Halley Armada
The Halley Armada, Giotto, Vega 1 and 2, Suisei and Sakigake, all visited Halley's Comet at roughly the same time in 1986. What did they discover? Why was this such a groundbreaking mission?
Science ABC
Why Are Planetary Orbits Elliptical?
Planetary orbits are elliptical because gravitational interaction over time changes the delicate balance of mass, velocity and distance from the star which otherwise keeps planetary orbit circular. For a very long time, from Ptolemy to...
Curated Video
Halley
The most well-known comet, and brightest of the comets that have a relatively short period orbit. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Why Are Planetary Orbits Elliptical?
Planetary orbits are elliptical because gravitational interaction over time changes the delicate balance of mass, velocity and distance from the star which otherwise keeps planetary orbit circular. For a very long time, from Ptolemy to...
Cerebellum
Late Scientific Revolution - Edmund Haley
Part II of The Scientific Revolution explores the latter half of this movement and the gradual acceptance of scientific truth. This fascinating period of history chronicles European society's emergence from church domination that...
Curated Video
The Fascinating World of Comets
Learn the key characteristics of comets, including their icy composition, the formation of their tails as they approach the sun, and their historical significance. The video also highlights the role of comets in bringing water and...
Mazz Media
Comet
This live-action video program is about the word Comet. The program is designed to reinforce and support a student's comprehension and retention of the word Comet through use of video footage, photographs, diagrams and colorful, animated...
Next Animation Studio
Giant comet heading for Earth
Comet Bernardinelli-Bernstein is a thousand times larger than the average comet and it’s approaching at a high rate of speed.
PBS
Nova: Newton's Dark Secrets
The genius of Newton is detailed in this video by NOVA. Articles, interviews, and translations of his work are posted here. [52:32]