Star Size Comparison 1 (HD)

NASA Space Images 3-D

ScienceCasts: Super Moon

Scientists Report Most Earth-like Planet Ever

NASA | The Truth about 2012 - Solar Storms

The Moon in 2012... hour by hour

NASA Debunks Wacky 2012 Claims

Venus_Transit_Sun_JUN_06_2012_80ED_06h_15m.avi

Launch of NuSTAR

BBC.The.Cosmos.-.A.Beginner's.Guide.2of6.Building.the.Universe

ESA Euronews: Planck maps the dawn of time

Why the solar system can exist

Cosmic Journeys - Mars: Earth that Never Was

If the Moon were replaced with some of our planets

Wave at Saturn: Photographing Earth from Deep Space

[Private video]

Flying Down to Hadley Rille, Apollo 15 Moon Landing, 1971

Moon Hoax? Apollo 15 Rover Traverse

Dark Gap is back (CH576) | July 22, 2013

Black Holes and Exploding Stars: FERMI at Five

MONSTERS OF THE COSMOS - Symphony of Science

Journey through the universe beyond the speed of light [HD]

Dark matter - what we're really made of | Michelle Thaller | TEDxBinghamtonUniversity

The Largest Black Holes in the Universe

Solar Eclipse - October 2013

Billions of Earth-Like Planets!

Galaxy contains billions of potentially habitable planets, say Berkeley, Hawaii astronomers

NASA | Mars Evolution

Stanford scientist explains sun's magnetic reversal

NASA | Tour of the Moon

NASA | Take a "Swift" Tour of the Andromeda Galaxy

How Can Galaxies Travel Faster Than Light?

ScienceCasts: The Coolest Spot in the Universe

NASA | SDO Lunar Transit, Prominence Eruption, and M-Class Flare

ScienceCasts: Collision Course? A Comet Heads for Mars

Rotating Globe of Ganymede Geology

A Flight Through the Universe, by the Sloan Digital Sky Survey

The total lunar eclipse of 14/15 April 2014

Inside an Opening Telescope

Extremely Large Telescope - Deep Sky Videos

[Deleted video]

What's Up for May 2014

[Private video]

A Science Odyssey: Mysteries of the Universe - Documentary

Milky Way Versus Andromeda As Seen from Earth

Milky Way and Andromeda Galaxies Collision Simulated | Video

Crash of the Titans: Milky Way and Andromeda Galaxy

ScienceCasts: A Summer of Super Moons

[Private video]

ScienceCasts: Carrington-class CME Narrowly Misses Earth

MESSENGER Flies Over Mercury

Earth images from Alexander Gerst in 4K

NASA | Investigating the Martian Atmosphere

A New Comet's Very, Very Near Miss

Rosetta mission: Results from comet landing: 14 Nov, 13:00 GMT

Rosetta: Wild Bounce at comet Churyumov-Gerasimenko - Claudia Alexander (SETITalks)

New Views of Asteroid 2004 BL86

Europa: Ocean World

NASA | SDO: Year 5

Size Comparison of the Universe

Kepler Orrery III

Kepler Orrery of small systems

"WOW" signal decoded (maybe) !!

Rare color footage of first spacewalk, Alexey Leonov, March 18, 1965

How Many Stars Are There?

Viewing Solar System Orbital Architecture through an Extrasolar Lens

What is Astrobiology?

What Shape Is The Universe?

Naked Eye Observations: Crash Course Astronomy #2

Cycles in the Sky: Crash Course Astronomy #3

Moon Phases: Crash Course Astronomy #4

Eclipses: Crash Course Astronomy #5

Telescopes: Crash Course Astronomy #6

The Gravity of the Situation: Crash Course Astronomy #7

Introduction to the Solar System: Crash Course Astronomy #9

The Sun: Crash Course Astronomy #10

The Earth: Crash Course Astronomy #11

The Moon: Crash Course Astronomy #12

Seth Shostak talks ET

Eric Korpela talks about SETI, Aliens, and Government Conspiracies

The Fermi Paradox — Where Are All The Aliens? (1/2)

The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens?

ScienceCasts: Summer Blue Moon

Transit graph

Infinite Worlds: A Journey through Parallel Universes

NASA | Jupiter in 4k Ultra HD

Deep Dive into Enceladus Plume

Hoe oud is het heelal? (1/5)

Als het heelal uitdijt, waarin dijt het dan uit? (2/5)

Hoe weten we zo zeker dat er een oerknal was? (3/5)

Waarom zien we in de toekomst alle andere melkwegstelsels niet meer? (4/5)

Welke grote mysteries bestaan er nog rond de oerknal? (5/5)

espace

Asteroid Discovery - 1980-2014

Understanding the Magnetic Sun

WFIRST: The Best of Both Worlds

Young Star and Its Infant Planet (Artist's animation)

Juno: Mission to Jupiter 360 Video (Narrated)

Steve Croft - Breakthrough Listen: Expanding the Search for Life Beyond Earth

Laniakea: Our home supercluster

ESOcast 80: Follow a Live Planet Hunt

Europe to the Stars

Hubble Directly Images Possible Plumes on Europa

A Gamma Ray Binary in Another Galaxy: A massive object paired with a crushed stellar core remnant

ᴴᴰ [Documentary] Destination: Titan

Titan Touchdown

Why Earth Is A Prison and How To Escape It

One Year on Earth – Seen From 1 Million Miles

TRAPPIST-1: Weirdest habitable worlds

NASA VR: On the Surface of Planet TRAPPIST-1d (360 view)

Is the Universe Infinite?

What is the Universe Expanding Into?

Black Holes and the High Energy Universe

Tomorrows World LIVE: Move to Mars - BBC

How The Mysterious Planet 9 Is Tilting Our Solar System

Universe Size Comparison 3D

5 Theories & Predictions on What Lies Outside The Observable Universe

How the Universe is Way Bigger Than You Think

What Explains The Silence of Life in the Universe?

How big is the universe ... compared with a grain of sand?

Before the Big Bang 6: Can the Universe Create Itself?

Leven in het heelal - Ewine van Dishoeck over geboorte van sterren en planeten (Spinoza te Paard)

10 Unsettling Solutions to the Fermi Paradox

The Fermi Paradox and Our Search for Alien Life

There Are Planet-Sized 'Tornadoes' on the Sun?!

Alien Life Near Jupiter?

[Deleted video]

Black Holes and Holographic Worlds

New Mars Science Results

The Planck legacy, inflation and the origin of structure in the universe

How to Take a Picture of a Black Hole | SciShow News

Inside the black hole image that made history | Sheperd Doeleman

How Do You Observe a Black Hole?

Building a Marsbase is a Horrible Idea: Let’s do it!

How We Could Build a Moon Base TODAY – Space Colonization 1

Mond als 'Testbed' der Allgemeinen Relativitätstheorie • DLR Astroseminar | Hans-Joachim Blome

TESS Satellite Discovered Its 1st World Orbiting 2 Stars

TESS Mission's First Earth-size World in Star's Habitable-zone

Michio Kaku - When the Earth Had Two Moons

Michio Kaku - When the Earth Had Two Moons Part 2

Venus May Have Life!

Brian Greene - What Was There Before The Big Bang?

A Journey to our Closest Galaxies

KEPLER TRANSITS

The Beginning of The Universe - Sir Roger Penrose on His Conformal Cyclic Cosmology Model

The Multiverse Hypothesis Explained by Neil deGrasse Tyson

Study Discovers The Amount of Information Contained in The Universe

The Mysterious World of OGLE-2016-BLG. What Do We Know about Rogue Planets?

Professor Brian Cox: Our Place in the Universe

The Mysteries of The Universe With Brian Cox

What Does it Take to Make a Universe? - with Harry Cliff

Where did the Big Bang happen?

Why All Mass In The Universe Comes From The Higgs Boson ( The God Particle)

Harald Lesch: Physiker hassen die Zeit. Was ist Zeit? Physikalische Bedeutung der ZEIT (1/3)

Harald Lesch: Dimension of Time in Relativity Theories and Quantum Mechanics (2/3)

NASA's DART Mission: Protecting Earth from Hazardous Asteroids

Dr. Andreas Müller: Jenseits Einsteins Gravitation

Are Black Holes Actually Fuzzballs?

A Beginner's Guide to Black Holes - with Amélie Saintonge

Black Holes in the Universe • Babelsberg Starry Nights | Christoph Pfrommer

Will A 'Killer' Solar Flare Destroy Earth?

Hidden Black Hole Found Outside of the Milky Way Galaxy

Real Images Of What We Have Discovered On Venus

NASA Science Live: We’re Crashing a Spacecraft into an Asteroid…on Purpose!

[Private video]

Wir haben keine Ahnung, warum es Materie gibt | Harald Lesch

What Happened At The Beginning Of Time? - with Dan Hooper

How Big Is The Universe Really? | Unveiled

[Private video]

The LUVOIR Telescope: Telling The Story Of Life In The Cosmos

Where Did Dark Matter And Dark Energy Come From?

Besteht Dunkle Materie aus primordialen Schwarzen Löchern? (Mini-Black-Holes) | Andreas Müller

What If Our Understanding of Gravity Is Wrong?

Puzzling Mysteries of the Universe

Study on Galactic Flows Reveals Secrets of the Great Attractor (And Nearby Structures)

Harald Lesch: Big Bang • Omega Centauri (1)

Scientists Know the Universe Is Disappearing... and There's Nothing We Can Do About It | Unveiled

Brian Cox - Why Did The Big Bang Happen?

Harald Lesch: Omega Centauri (2) • Quantenmechanik & Relativitätstheorie in Planckwelt vor Urknall

The Fermi Paradox With Neil deGrasse Tyson - Where Are All The Aliens?

The Fermi Paradox With Neil deGrasse Tyson - Part 2 - Where Is Everybody?

Where Are All The Aliens?

HOW is this possible?

The universe, already in its last era

The Multiverse Hypothesis Explained by Brian Cox

Dark Stars, Dark Energy & Gravitons Explained by Brian Greene

Etwas stimmt nicht mit der 23 Milliarden Kilometer entfernten Sonde Voyager!

Kollision Milchstrasse mit Andromeda Galaxie hat bereits begonnen

Many Worlds & the Multiverse: Andy Friedman, David Brin

Strange Ripple Structures Found at the Edge of the Solar System

Scientists Discover What Turned Venus Into Hell, and Why Earth Survived

[Private video]

Brian Cox - What Was There Before The Big Bang?

James Webb Finds More Strange Galaxies and Other Unexplained Objects (Jan 2023 Update)

Gigantic structure formed on the sun - is a solar storm imminent?

What is dark matter? – with Peter Fisher

First Stars In the Universe Were Ultra Massive Existing Only 1000s of Years

Astronomers Say Something Terrible Is Happening To Pluto & No One Knows Why

Wow! Sun Just Produced a Carrington Like Event, But We Got Super Lucky

Neil deGrasse Tyson - What Asteroid Can Render Us Extinct?