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3 wonders of the universe, explained

Astronomer Michelle Thaller schools us on what atoms really look, the Big Bang theory, and the speed of light.

Ask an astronomer: What makes neutron stars so special?

Astrophysicist Michelle Thaller talks ISS and why NICER is so important.

Ask an astronomer: What was Einstein’s most mind-blowing discovery?

Do space and time really exist? NASA astronomer Michelle Thaller looks at the implications of Einstein's famous equation E=mc2.

Ask an astronomer: How do astronauts deal with isolation?

Being stuck at home is not as intense as being away from Earth, but there are ways to cope in either scenario.

#1: A mind-blowing explanation of the speed of light | Top 10 2019

We have arrived: Big Think's most popular video of 2019 tells us light exists outside of time.

#5: Is the universe a hologram? The strange physics of black holes | Top 10 2019

Next on Big Think's 2019 top 10 countdown, black holes may give us a glimpse of the underlying nature of reality.

Student of the stars: How do you become an astronomer?

NASA astronomer Michelle Thaller explains what astronomers actually do, and how can you become one.

Do aliens exist? If they did, would we know?

We still don't have proof of intelligent life beyond that on Earth.

What proof is there that the universe is evolving?

Stargazing is a form of time travel.

What proof is there that the universe is evolving?

Stargazing is a form of time travel.

Moon mission 2.0: What humanity will learn by going back to the Moon

Going back to the moon will give us fresh insights about the creation of our solar system.

That black hole photo: How event horizons bend time, space, and light

The recent photo of a black hole is something extraordinary. Here's why.

Cosmic death beams: Understanding gamma ray bursts

Gigantic explosions of light are reverberating across the universe.

Where do atoms come from? Billions of years of cosmic fireworks.

The periodic table was a lot simpler at the beginning of the universe.

How fast is Earth moving through space? That depends.

We are hurtling through space. But where are we going?

Is the universe a hologram? The strange physics of black holes.

Black holes may give us a glimpse of the underlying nature of reality.

Always dreamed of flying? On these moons, you can.

There are places in our solar system where you can fly.

This is not what an atom really looks like

Artistic depictions of the atom have deceived us all.

Why are so many objects in space shaped like discs?

It's one of the most consistent patterns in the unviverse. What causes it?

Is time real or is it an illusion?

Light exists outside of time.

The evolution of mathematics, from agriculture to quantum mechanics

Why is math the universal language? NASA's Michelle Thaller solves that one.

The science of expansion: Andromeda, gravity, and the ‘Big Rip’

If the universe is expanding in all directions, why is Andromeda hurtling toward the Milky Way?

Black hole death: How extreme tidal forces turn humans into spaghetti

Getting to close to a black hole is a nightmare waiting to happen.

Space toilets: How astronauts boldly go where few have gone before

A NASA astronomer explains how astronauts dispose of their, uh, dark matter.

Would scientists tell us about a looming apocalypse?

If a doomsday asteroid is set to collide with Earth, you're going to know about it – whether you want to or not.

Great scientific discoveries hide in boring places

NASA's Michelle Thaller explains how an accidental discovery led to the 1978 Nobel Prize in Physics.

3 proofs that debunk flat-Earth theory

We're finally here! We've been counting down the 10 most popular videos of 2018. This is #1...

How the Moon’s ice craters will power a human colony

Astronauts will be able to harvest the Moon's natural resources to sustain human life.

The Big Bang wasn’t an explosion. Visualize it like this.

NASA's Michelle Thaller explains why the term 'Big Bang' is misleading, and how to best imagine the shape of the universe.

Why spiritualizing the cosmos is a disservice to science and religion

Where is God? Michelle Thaller lays out a cosmic view of religion, science, and the human condition.

How to make a black hole

Here's the science of black holes, from supermassive monsters to ones the size of ping-pong balls.

Where might we find aliens? Ice moons, methane oceans, and the red planet

We may not find Klingons, but what we do find will blow our terrestrial minds.

How ‘The Goblin’ may unravel the mystery of Planet Nine

Around Halloween in 2015, astronomers discovered 'The Goblin'. Now, it's leading us to what some call Planet X.

Carl Sagan's most important lesson about science

The thing that Carl Sagan did better than anybody else was connecting to the science through emotion and stories, says NASA's Michelle Thaller.

Tiny humans, big universe: How to balance anxiety and wonder in astrophysics

The universe is a huge place, inconceivably vast. And it can make even the most brilliant minds feel very, very small.

The Einstein myth: Why the cult of personality is bad for science

We love citing the big names in science. Einstein. Curie. Sagan. Nye The Science Guy. But does that lower the bar for the rest of the workaday scientists out there?

Art vs. science? The battle that never was

What role can art play in science? An unexpectedly important one, says NASA's Michelle Thaller.

Why space garbage is more lethal than a bullet

Trash on earth is pretty bad. But space trash is at a whole other level.

How futuristic ion rockets supercharge space exploration

What are the different types of rocket engines and will there be a rocket engine coming in the future that uses very little energy? NASA's Michelle Thaller explains.

Colonize Mars? Elon Musk, SpaceX and NASA are making big plans

NASA's Michelle Thaller shares her prediction of what it will take to get people to Mars, including what role Elon Musk will play in that effort.

Ask a NASA astronomer! How many galaxies are out there?

If we ever discover the true size of the universe, we'll likely have galaxies to thank. The trillions of massive star clusters we've observed are sending light from the early universe back to us.

Ask a NASA astronomer! What’s it like to work at NASA?

With over 100 active science missions, from the Hubble Space Telescope to studying ice shifts on Earth, working at NASA can be a dream come true for any astronomer or astrophysicist.

Ask a NASA astronomer! Why is there zero gravity in space?

Astronauts aren’t floating in space, they’re free falling—and so are you. Here's the amazing science behind so-called zero gravity.

Ask a NASA astronomer! How did Stephen Hawking change the world?

Stephen Hawking was one of the greatest scientific and analytical minds of our time, says NASA's Michelle Thaller.

Ask a NASA astronomer! Is there proof that the Earth is round?

We've known for 2,000 years that the Earth is round. Here are three observable proofs that can instantly debunk flat-Earth theory.

How to celebrate science: Ask questions, get creative, spread the love

Ever wanted to ask a NASA astronomer a question? Michelle Thaller is Big Think's resident space pro, and she is taking questions right now!

How success and failure co-exist in every single one of us

NASA's director of science communication explains why success and failure are vague, impractical metrics to give young people.

How NASA averted the 2060 apocalypse

Pop quiz! Which NASA mission has been most critical to humanity? (Hint: it's not the Moon landing.)

Amazing astronomy: How neutron stars create ripples in space-time

What can cause a ripple in both space and time? Neutron stars colliding. And what can observe that phenomenon? A two-mile-long laser.

How astronomy makes neuroscience even cooler: brains, gold, and neutron stars

Love being an intelligent, mobile, conscious being? Thank colliding neutron stars. They created all the gold in the universe, including the gold atoms that your brain can't function without.

Augmented evolution: Why the definition of “human” is about to change

If there’s other intelligent life in the universe, is it very different from us, or is it very similar? First we have to know where our species is headed, says NASA's Michelle Thaller.

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