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The Sky at Night

S21E4 · Celebrates its 20th anniversary

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Episodes

E1
E1

Sirius, the Dog-Star

1977-01-17

E2
E2

Travel in Space and Time

1977-02-17

E3
E3

The Mapping of Mercury

1977-03-16

E4
E4
NOW

Celebrates its 20th anniversary

1977-04-20

E5
E5

The Solar Cycle

1977-05-18

E6
E6

Uranus - the Second Ringed Planet?

1977-06-15

E7
E7

The New Infra-red Telescope

1977-07-20

E8
E8

The Swan in the Sky

1977-08-10

E9
E9

The Voyager Missions

1977-09-07

E10
E10

Stars of the Far South

1977-09-28

E11
E11

The Amateur Astronomer

1977-10-24

E12
E12

Why Do the Planets Shine?

1977-11-23

E13
E13

Suns, Space-ships, and Bug-eyed Monsters

1977-12-14