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Cosmic Journeys • Season 1 Episode 7
How Large is the Universe?New Window
The universe has long captivated us with its immense scales of distance and time. How far does it stretch? Where does it end and what lies beyond its star fields and streams of galaxies extending as far as telescopes can see?


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10th Planet10th Planet 
pbs5:00
A stunning discovery at the far reaches of our solar system...
Attack of the SunAttack of the Sun 
youtube18:18
Massive solar eruptions could threaten our high-tech society.
Battle of the Giant TelescopesBattle of the Giant Telescopes 
hulu3:31
The battle for rare photons wafting in from deep space.
Beyond the Event HorizonBeyond the Event Horizon 
hulu2:43
A computer program called The Black Hole Flight Simulator...
Black Hole DiscoveryBlack Hole Discovery 
hulu3:16
Hubble Space Telescope reveals a black hole lurking among the...
Crashing into the MoonCrashing into the Moon 
youtube17:42
Half a dozen countries are launching missions to the Moon to...
Dark MatterDark Matter 
pbs13:00
Turns out most of the universe is held together by a...
Discovery of a Hot JupiterDiscovery of a Hot Jupiter 
hulu3:03
Hubble detects an extreme planet around a Milky Way star.
Enceladus: SaturnEnceladus: Saturn's Strangest Moon 
sciam6:07
A closer look at Saturn's Strangest Moon.
Eruption of the Milky Way GalaxyEruption of the Milky Way Galaxy 
hulu2:00
An immense, thick cloud of dust is gathering around the center...
Hubble Galaxies Gone WildHubble Galaxies Gone Wild 
hulu5:36
A magnificent gallery of colliding galaxies has been released...
Hubble Lightness of BeingHubble Lightness of Being 
hulu3:30
How the Hubble Space Telescope snatches such amazing images.
Hubble Signs of LifeHubble Signs of Life 
hulu3:09
The Hubble Space Telescope makes the first ever detection of...
HubbleHubble's Amazing Rescue 
pbs50:00
The unlikely story of how the world's most beloved telescope...
In The Shadow of a Dying StarIn The Shadow of a Dying Star 
hulu1:43
Ferocious winds near the dying star, Eta Carinae, stir the...
Inside a Galactic Mob SceneInside a Galactic Mob Scene 
hulu3:36
Hubble peers inside an incredibly dense cluster of Milky Way...
Inside a Turbulent Star FactoryInside a Turbulent Star Factory 
hulu2:15
The Spitzer Space Telescope delivers a stunning view into the...
Is Dark Energy an Illusion?Is Dark Energy an Illusion? 
sciam5:35
New observations have led astronomers to suggest that...
Is There Life on MarsIs There Life on Mars 
Is There Life on Marspbs50:00
The decades-long search for life on the Red Planet heats up...
Life and Times of a Galactic CannibalLife and Times of a Galactic Cannibal 
hulu3:34
Evidence that a giant galaxy has swallowed up its neighbors.
Life on Mars?Life on Mars? 
youtube3:14
The Phoenix lander is sent to Mars to search the arctic plains...
MARS Dead or AliveMARS Dead or Alive 
MARS Dead or Aliveyoutube50:00
NASA gambles on two rovers sent to determine if the red planet...
Mars World That Never WasMars World That Never Was 
youtube20:13
Just about every two years, the planet Mars makes its closest...
Mira The Shooting StarMira The Shooting Star 
hulu2:48
Mira is a red giant star with a mysterious comet-like tail.
Monster of the Milky WayMonster of the Milky Way 
pbs48:00
Does a supermassive black hole lurk at the center of our galaxy?
OriginsOrigins 
pbs50:00
How did the colossal forces of the early universe make it...
Phantom Galaxy RevealedPhantom Galaxy Revealed 
hulu3:46
The life and times of a mysterious nearby galaxy.
Pulsar PlanetsPulsar Planets 
nationalgeographic3:11
If pulsar planets could support life, it would be a life filled...
SaturnSaturn's Mysterious Moons 
youtube18:24
Some 900 million miles from the Sun in the outer regions of our...
Space ElevatorSpace Elevator 
pbs11:41
Can we build a 22,000-mile-high cable to transport cargo and...
Space Shuttle DisasterSpace Shuttle Disaster 
Space Shuttle Disasterpbs50:00
An investigation uncovers the human failures and design flaws...
Sputnik DeclassifiedSputnik Declassified 
pbs49:00
Top-secret documents rewrite the history of the famous...
Stellar Blow TorchStellar Blow Torch 
hulu1:54
Powerful jets erupt from stars at the moment of birth.
Supermassive Black Hole in the Milky Way Supermassive Black Hole in the Milky Way  
youtube20:08
From a distance, our galaxy would look like a flat spiral, some...
The Dark Matter MysteryThe Dark Matter Mystery 
youtube4:37
We can't see dark matter, and some skeptics doubt its...
The Elegant Universe (Hour 1)The Elegant Universe (Hour 1) 
The Elegant Universe (Hour 1)pbs47:00
Eleven dimensions, parallel universes, and a world made out of...
The Elegant Universe (Hour 2)The Elegant Universe (Hour 2) 
The Elegant Universe (Hour 2)pbs47:00
Eleven dimensions, parallel universes, and a world made out of...
The Elegant Universe (Hour 3)The Elegant Universe (Hour 3) 
The Elegant Universe (Hour 3)pbs47:00
Eleven dimensions, parallel universes, and a world made out of...
The Famous Helix NebulaThe Famous Helix Nebula 
hulu1:43
Look for comet-like blobs on the inside of this eerie nebula.
The Horizons of Deep TimeThe Horizons of Deep Time 
youtube21:14
How long will the Universe as we know it survive? The answer...
The Incredible Journey of Apollo 12The Incredible Journey of Apollo 12 
youtube20:34
It's the ultimate buddy movie. Forty years ago, on November 19,...
The Largest Black Holes in the UniverseThe Largest Black Holes in the Universe 
youtube18:48
The largest black hole measured to date is a whopping 18...
The Search For Earth-Like PlanetsThe Search For Earth-Like Planets 
youtube21:29
The search for Earth-like planets is reaching a fever-pitch. ...
The Shores of the Cosmic OceanThe Shores of the Cosmic Ocean 
The Shores of the Cosmic Oceanhulu1:00:24
At the beginning of this cosmic journey across space and time,...
Unlikely Suns Reveal Improbable PlanetsUnlikely Suns Reveal Improbable Planets 
sciam6:38
Astronomers are finding planets where there were not supposed...
Voyage to Pandora: HumanityVoyage to Pandora: Humanity's first interstellar flight 
youtube21:07
Pandora is the idyllic blue world featured in the movie Avatar....
Welcome to MarsWelcome to Mars 
Welcome to Marsyoutube53:56
Take an astounding look at the red planet in this...
WMAPing the UniverseWMAPing the Universe 
nationalgeographic3:54
The story of how the universe began can tell scientists a lot...
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