Universe

S1 E22021

Alien Worlds: The Search for Second Earth

Episode Synopsis

Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth?

Next Episodes

All Seasons

The Sun: God Star

Episode 1

Alien Worlds: The Search for Second Earth

Episode 2

The Milky Way: Island of Light

Episode 3

Black Holes: Heart of Darkness

Episode 4

The Big Bang: Before the Dawn

Episode 5

Comments

Loading comments...

Universe

Alien Worlds: The Search for Second Earth

Episode Synopsis

Next Episodes

The Sun: God Star

Alien Worlds: The Search for Second Earth

The Milky Way: Island of Light

Black Holes: Heart of Darkness

The Big Bang: Before the Dawn

Comments

Suggested Shows

MythBusters

Cosmos: A Personal Voyage

The Machines That Built America

Origins, a tale of light

Factcheckers

Horizon

The Wonder of Animals

Human Universe

The Universe

42: The Answer to Almost Everything

Alpha Centauri

Bill Nye the Science Guy

Ask the Doctor

Tout s'explique

Fun to Imagine

Newton's Apple

discover science

Sex, Explained

Order and Disorder

Into the Universe with Stephen Hawking