Mathispower4u
The Zero Exponent
Why does an exponent of zero result in a value of one? Give your classes a concrete explanation for this property that many struggle to remember. A video lesson provides an explanation and provides examples of exponential expressions...
SciShow
3 of the Strangest Moons in the Solar System
Explore characteristics of three moons that have traits all their own! An episode of a solar system video playlist explores three moons of the solar system: Miranda, Iapetus, and Hyperion. These moons of Uranus and Saturn vary in their...
SciShow
The Future of Interstellar Communication
Communication through the solar system is a challenging task. Sending probes to different locations in our solar system helps scientists learn about these bodies. As these probes are sent farther and farther from Earth, receiving their...
SciShow
The Sun's Center Is 39,000 Years Younger Than Its Surface
Explore the theory of relativity in relation to spacetime! An intriguing lesson explains the concept of spacetime and how time does not change at the same rate for everyone. As a lesson in a larger solar system playlist, the video...
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...
Crash Course
Measures of Spread: Crash Course Statistics #4
Sometimes the measures of center don't give us enough information. The spread of the data can tell statisticians much more about the data set. A video lesson, part of a statistics video series, describes different measures of spread such...
SciShow
The Smallest Star in the Universe
They may be small, but probably still mighty! The characteristics of what astronomers have defined as stars have a minimum size requirement. The tiniest stars pack a lot into a small package—and still have all the properties of their...
SciShow
How Much of Me Is "Star Stuff?"
Sugar and spice and everything nice ... and a little bit of star stuff! An enthusiastic presentation describes the elemental makeup of the human body and how these materials originated in a red giant star. As an episode of a larger solar...
SciShow
Zombie Stars Discovered!
The walking dead of the sky have been discovered! As a recent discovery, much is yet to be determined, but it is clear zombie stars do exist. An episode of a larger solar system playlist explains how a special supernova leaves behind...
SciShow
Hardcore Metal Stars
Astronomers classify all elements that are not hydrogen or helium as metals. Their "heaviness" causes turbulence that may form metal stars. An installment of a comprehensive solar system series explains how scientists believe these stars...
SciShow
Does the Sun Have Long-Lost Siblings?
The sun is missing a few branches from its family tree! A fact-filled lesson from a solar system playlist describes the characteristics of our sun that help identify its siblings. Stars that form from the same cloud typically have the...
SciShow
The Biggest Stars in the Galaxy
Study the giants of our universe with a video lesson. A descriptive lesson from a solar system playlist compares hypergiant stars to other bodies in our galaxy. The lesson instructor explains the origin and the composition of these...
SciShow
The Fastest Runaway Star in the Galaxy
There's one in every group! It turns out there are rouge stars in our universe that don't follow the rules. An episode of an extensive solar system playlist describes the behavior of hypervelocity stars and how they interact in our...
SciShow
400 Million New Stars in Our Galaxy!
The greater the technology, the better our understanding of our galaxy. An intriguing lesson from a solar system video series discusses the discoveries of the Gaia space observatory. With the release of the first 3D map of the Milky Way,...
SciShow
The Star That Trolled Astronomers
Is it a bird, or a plane, or a blinking star? Scientists discovered in 1967 what they later determined to be a pulsing star. An episode of a larger solar system playlist discusses the chemistry behind the existence of this type of star.
SciShow
There's Going to Be a New Star in the Sky
There's something to look forward to in 2021 or 2022! Although the actual event occurred almost 2,000 years ago, the appearance of a new star will become evident from Earth in a few short years. The video instructor from the solar...
SciShow
3 Stars That Shouldn't Exist
A video lesson attempts to explain the unexplainable. The video instructor focuses on three unique stars that have characteristics that astronomers have difficulty explaining. The installment of a solar system playlist includes a heavy,...
SciShow
Extreme Hypothetical Stars
They should exist ... but do they really? Scientists use what they know to predict what should and should not exist. An installment of a larger solar system series looks at the scientific prediction of different stars that have yet to be...
SciShow
The Mysterious Origins of Our Galaxy's Fastest Stars
Many phenomena in space are yet beyond scientific explanation. An episode of a video series on the solar system discusses two recent topics of interest: Uranus' magnetic field and hypervelocity stars. The presenter explains what we know...
SciShow
Do Any Stars NOT Have Planets?
The universe is littered with planets orbiting their suns. The video instructor outlines different methods scientists use to detect these exoplanets. As an installment of a larger solar system playlist, the video discusses current and...
SciShow
Why Is the Sun's Corona So Hot?
The sun isn't just a ball of fire! An informative video lesson discusses the makeup of the sun and the variation of temperature. The episode of a larger solar system playlist focuses on the corona and theories as to why it has the most...
SciShow
How the First Stars Transformed the Universe
Imagine a universe before the formation of stars. An installment of a solar system playlist takes scholars through time to discover the beginning of stars in the universe. The presenter discusses the elements present at the time and how...
SciShow
It's Official: Life Could Survive on Enceladus
Have researchers found life on another planet? Maybe not, but possibly on one of Saturn's moons! A spacecraft has verified the presence of water on Enceladus as well as other life-supporting compounds. The episode of a solar system...
SciShow
Could We Give Mars a Magnetic Field?
Are you ready to move to Mars? An engaging video lesson discusses the changes required for Mars to sustain human life. The first of which is to reinstate the magnetic field it lost over four billion years ago. The video is an episode in...