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Can Humanity Stop A Planet-Killing Asteroid?

AdultsAstronomyNatural DisastersScienceSpace
Some killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
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What's In The Solar System?

ChildrenAstronomyEducationEE1EE2ScienceSpace
By the end of this science lesson, students will be able to define the solar system, and compare and contrast different objects we see in the sky.
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Can Humanity Stop A Planet-Killing Asteroid?

AdultsAstronomyScienceSpace
Some killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
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Star Personalities

YouthScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina chats about their difference and tells us what those differences mean.
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Spaced Out

YouthAstronomyPhilosophyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina gives us some perspective on this whole universe thing and how we fit into it.
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Are Asteroids Dangerous?

KidsAstronomyKids 125Kids 130ScienceSpace
A sample of Bennu could tell us exactly how threatening this near-Earth asteroid is, and how we defend ourselves against it.
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Stars, Constellations, and More

ChildrenAstronomyEE1EE2ScienceSpace
By the end of this science lesson, students will be able to describe the characteristics of stars and constellations.
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How Big Is Space?

KidsAstronomyFactsKids 125Kids 130Space
A NASA scientist explains what we know — and don’t know — about the size of the cosmos.
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How 2000 Weavers Got Us To The Moon

AdultsEngineeringHistorySpaceTechnology
In the 1960s, NASA’s engineers were building the Apollo spacecraft. But they ran into a major problem that almost prevented them from getting to the moon. To solve it, they brought in some unexpected help: expert weavers.
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Orbits Are Odd

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
Did you know that there is a massive black hole at the center of our galaxy? Today, Sabrina talks about this and more.
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Everything Revolves Around You

YouthScienceSpaceWorldYouth 110Youth 115Youth 120Youth 125Youth 130
Today Sabrina talks to us about how gravity and velocity works.
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Rocks From Space!

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
With so many objects floating around in space, we’ve got you covered on knowing the difference between all of the smaller celestial bodies that orbit the Sun.
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Glow On

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
Sabrina chats about how stars glow and how astronomers judge their brightness. Also, she talks about a really, really, really big star.
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What Is A Blue Moon?

YouthAstronomySpaceYouth 110Youth 115
You may be familiar with the Moon turning red during lunar eclipses, but did you know that it can sometimes appear to have a blue hue?
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Seeing Stars

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Today, let's play a game of "Star or Not a Star" to learn a little more about everything that's up there.
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Brian Cox breaks down the most mysterious scale in the cosmos

AdultsAstronomyScienceSpace
"It's a very, very beautiful calculation, but it's the best example I know of the relationship between these rather abstract quantities perhaps and something that you can look at in a telescope."
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Surprising Science: Big Moon?

YouthScienceSpaceYouth 110Youth 115
If you look at the Moon in the night sky and think it appears larger near the horizon, you're experiencing the Moon illusion.
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How to Build in Space — for Life on Earth | Ariel Ekblaw | TED

AdultsArchitectureInnovationScienceSpaceTechnology
Is space the “final frontier” — or the perfect place to revolutionize life on Earth?
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How this helicopter survived 1004 days on Mars, then disappeared...

AdultsInnovationSpaceSurvivalTechnology
How a helicopter built of phone parts survived Mars for 3 years.
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Big Moon?

YouthAstronomyPsychologySpaceYouth 110Youth 115
Despite appearances, the Moon remains the same size, and your brain is simply playing tricks on you.
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The Future Of Space Exploration

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Here's five possibilities that might actually become reality in the next 50 years.