Curated Video
Ellen Ochoa: The First Female Hispanic Astronaut
In 1993, Ellen Ochoa wrote her name in the stars – as the first Hispanic woman to enter orbit. She continues to inspire generations of aspiring astronauts today.
Veritasium
Do Aliens Exist?
Many people believe in aliens, but what does the science say about life on another planet? Part of a larger series, an interesting video discusses the concept with people on the street and scientists, finding vastly different answers. It...
Crash Course
Why Star Stuff Matters: Crash Course Big History #202
Carbon makes all life on Earth possible, not to mention most technology and progress. The 12th video in a 16-part series explains the significance of being made of star stuff. From the formation of chemical elements to the rise in...
Crash Course
Exploring the Universe: Crash Course Big History #2
According to Carl Sagan, we are all made of star particles. The second video in a series of 16 explains what happened after the big bang. It discusses cosmic background radiation, chemistry, galaxies, heavy elements, and the creation of...
Crash Course
The Big Bang: Crash Course Big History #1
Theoretical physicists say that space and time are one thing created by the Big Bang. According to them, nothing happened in the time before the Big Bang because time did not exist. The first Crash Course-Big History video in a 16-part...
Physics Girl
Why is the Universe Flat?
British astronomer Sir Fred Hoyle first coined the term the Big Bang in 1950. The theory explains much of what we have observed in the universe, but it does leave some things unexplained. The video discusses the Cosmic Inflation...
Be Smart
How Many Stars Are There?
Starting with a seemingly simple question, a video covers how many stars are visible with the human eye. Then it explains how many stars are in the Andromeda galaxy next to ours. The most interesting part is when you view a single square...
Veritasium
Spinning Black Holes
Why is the spin of a black hole important? Scholars explore spinning black holes and how they relate to momentum, matter, and mass. They investigate the different parameters that are used to measure black holes by understanding how...
TED-Ed
Are We Living in a Simulation?
Could the universe be part of one giant video game? A video lesson considers the idea that a powerful enough computer could simulate the universe. Building on an understanding of the mathematical laws of the universe, the lesson...
SciShow
The Hunt for the First Neutrinos in the Universe
How far back in time can scientists see? Currently, the earliest photo of the universe is the cosmic microwave background, but math models prove the universe existed long before that time. An installment from the SciShow Space series...
Be Smart
What Is Farthest Away?
It's difficult to believe in what you cannot see. A video presentation outlines evidence to convince scholars of the idea that there is no end to the universe. A video takes viewers on a trip through history to show learners how our...
SciShow
3 Things We Still Don't Understand about the Milky Way
Oops, something bumped into us! Scientists research what bumped into our galaxy, when, and where it went after the collision. Part of a larger SciShow Space series, an interesting video presents three mysteries, including the collision....
SciShow
We Don't Actually Know Where the Sun Came From
Stars come from families, but scientists aren't sure where to find the sun's relatives. Learn more about identifying star families and the confusion about the sun. As part of a larger SciShow Space series, an interesting video offers a...
SciShow
Red Nugget Galaxies: The Universe's Ultimate Survivors
Time capsules offer a glimpse into the past, and red nugget galaxies are the time capsules of the universe. Using an installment from the SciShow Space series, viewers explore the discovery of new red nugget galaxies. The video also...
SciShow
New Clues to the Structure of the Universe
Evidence suggests that Pluto has undergone polar wander. A video instructor explains how Pluto's axis of rotation may have changed and how this is possible. The lesson focuses on the science behind the discovery and what it tells...
SciShow
How Can the Universe Be Flat?
Flat, positively curved, or negatively curved ... what is the true shape of the universe? Scientists use many indirect measurements to base their theories on the shape of the universe. Using an installment from the SciShow Space series,...
SciShow
How Many Galaxies Are There?
Could there really be over 200 billion galaxies? It turns out the number may be closer to two trillion galaxies! A video presentation discusses the existence of galaxies in the universe. The narrator explains how scientists make...
TED-Ed
The Life Cycle of a Neutron Star
From supernova to neutron star ... what's next? A video presentation describes a neutron star and its life in the universe. Learners then answer questions online to asses their understanding.
PBS
Tour of the Universe
Understanding the size of the universe and its many galaxies challenges perceptions, and this visual journey through the universe helps create a scale. Starting from Earth and going out past our galaxy, thus backwards in time, the entire...
Crash Course
Plato and Aristotle: Crash Course History of Science #3
Biology, cosmology, philosophy ... Plato and Aristotle had theories about them all! How did these ancient scholars shape the science of today? The third video in the History of Science series compares and contrasts the ideas of the famed...
SciShow
The First Star-Within-A-Star
The nesting dolls of stars have been discovered! Although scientists believed it to be true, only recently have they located a star with a core of another star. The episode of a comprehensive solar system series describes how...
Physics Girl
What's in the Darkest Part of the Sky? The Hubble Deep Field
Prepare to be amazed! Look deep into the darkest part of the night sky, courtesy of a video from a vast physics playlist. Young astronomers see hundreds of galaxies through the eye of the Hubble Telescope.
Physics Girl
What Is Dark Matter? A Mystery of the Universe
If you can't see something, how do you know it's there? Welcome to the mystery of dark matter! Curious cosmologists explore one of physics' longest-running quandaries through an interesting video. Content includes who first proposed the...
Physics Girl
Why Is the Universe Flat?
How can something as vast as the universe also be flat? Go beyond the Big Bang Theory using a video from an expansive physics playlist. Topics include the expansion and inflation of the universe, why opposite sides of the universe are...