Robots

E1

A look at our scouts in the Solar System. Probes that trail-blaze on Mars, plunge into Jupiter and land on Saturn's moon Titan.

Where Next?

E2

The possibility of a spaceport in Earth orbit, the colonisation of the Moon and Mars, the taming of Venus, plus an elevator into space !

Breakthrough!

E3

From the ancient sky-watchers of Babylon to space-age cosmology, the story of astronomy featuring Copernicus, Kepler, Galileo, Newton and Hubble.

Aurorae and Eclipses

E4

Taking a look at celestial shows, how the solar wind conjures an aurora, lunar and solar eclipses explained and a recent eclipse of the Sun.

Impact!

E5

Exploring the threats of comets and asteroids and what would happen if the space rock that slew the dinosaurs hit New York today.

Light Fantastic

E6

Visible light reveals only part of the Universe. We look at how other wavelengths fill out the picture, from gamma-rays to radio.

Life Quest

E7

Is there life elsewhere in the Solar System? Could life be sustained on Jupiter's moon Europa or even Saturn's moon Titan in the future?

Milky Way

E8

Our galaxy explored and light years explained. Looking at the life and death of stars, supernovae and the clouds where stars are born.

Hubble's Eye

E9

After astronauts fix its faulty optics, the Hubble Space Telescope peers back through time to the depths of the cosmos.

Infinity

E10

Looking at the structure of the Universe, galaxies, clusters, strands and how we measure to a nearby galaxy and to the farthest quasar.

Big Bang, Big Crunch

E11

The theory of the Big Bang explained and how from that cataclysmic explosion the Universe continues to expand, but will it stop and reverse?

Black Holes, Dark Matter

E12

Although invisible, black holes betray their presence, which is the same with dark matter: the missing 90% of the Universe.