SciShow
The Great Attractor: A Truly Massive Mystery
There's something out there SO massive that it's pulling on every object within hundreds of millions of light years. But we can't see it! So what DO we know? Today on SciShow Space, Reid Reimers tells us more about the Great Attractor.
SciShow
The Oldest, Most Distant Object in the Universe Discovered
Hank reports on the discovery by NASA scientists of the most distant, oldest galaxy ever observed.
TED Talks
TED: How loss helped one artist find beauty in imperfection | Alyssa Monks
Painter Alyssa Monks finds beauty and inspiration in the unknown, the unpredictable and even the awful. In a poetic, intimate talk, she describes the interaction of life, paint and canvas through her development as an artist, and as a...
SciShow
Do Any Stars NOT Have Planets?
Astronomers have used a few different methods to detect exoplanets, and improved telescopes are increasing the rate of discovery. But is it possible that any stars DON'T have planets, or are they just an expected feature of stellar...
Crash Course
Gamma-Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...
SciShow
The Mysterious Cosmic Explosion Called “The Cow” | SciShow News
The exploding “cow” around 200 million light-years away is running astronomers for a loop, but if it is what some hypothesize, we are witnessing a first for astronomy! Meanwhile, we got photographic evidence of a planet orbiting a binary...
SciShow
Henrietta Leavitt & the Human Computers: Great Minds
Henrietta Swan Leavitt was one of a number of volunteer women astronomers who were allowed to serve as "computers" at Harvard College Observatory, doing tedious work male scientists wouldn't do, and ultimately making a discovery now...
SciShow
The Supernova of 1054, Our Very Special Guest Star
All of humanity likely saw it, a brilliant supernova that lit up the daytime sky in 1054. But 960 years later, there’s still a lot we dont quite understand about the famous celestial phenomenon.
Crash Course
Unit Conversion & Significant Figures: Crash Course Chemistry
A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international...
TED-Ed
TED-ED: Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine...
Crash Course
Galaxies, part 2
Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local...
Crash Course
Galaxies, part 1
The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular....
Crash Course Kids
Star Personalities
Down here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar. But, it turns out that stars are very different and we shouldn't stereotype them. Some are bigger, some...
Curated Video
Exploring the Stars: A Journey through the Milky Way
In this video transcript, the teacher introduces the concept of the Milky Way and discusses some major stars within our galaxy. The teacher engages the students with fun facts and encourages them to explore the night sky, sparking...
Curated Video
Milky Way
The name that we give to our own Galaxy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
What is a Light Year?
When we look at distant stars, we are looking back in time. What is a light year, how is it measured and why do we measure distance in terms of time? Physics - Universe - Learning Points. Light travels through space at 300 million metres...
Curated Video
Scale of the Universe
How big is our Universe? Travel from Earth through the Solar System, past our Galaxy, to the Universe beyond. Physics - Universe - Learning Points. The Universe is constantly expanding. The Universe is already billions of light years...
Curated Video
Black Holes
Discover how dying stars transform into black holes, areas of mass so great that even light can't escape. Physics - Universe - Learning Points. When a star dies, it collapses and condenses into a single point, known as a singularity. The...
Curated Video
Hubble Space Telescope
How scientists working on the Hubble Telescope, orbiting 400 miles above the Earth, fixed a fault by giving the telescope a pair of specs. Physics - Universe - Learning Points. The Hubble Telescope took eight years to build, from over...
Science ABC
Why We Can See 'Distant' Galaxies But Not 'Nearby' Planets?
We can see far-off galaxies, despite how far away they are, for two main reasons: 1 – Galaxies are huge 2 – Galaxies are bright Although galaxies are really far away from our planet (and solar system), they are undeniably massive. Our...
Curated Video
Exploring Gamma Ray Bursts
During the 1950s nuclear trepidation was reaching extreme levels. In an attempt to limit the arms race the super powers signed a test ban treaty that came into effect in 1963. To make certain that there were no violations; America...
Wonderscape
F to L: Exploring Stars, Galaxies, and More
This video continues the space journey, covering letters F to L. It delves into fixed stars, galaxies, the Hubble Telescope, the International Space Station, Jupiter, the Kuiper Belt, and light years. Alphabet in Outer Space part 3