THE SKY at NIGHT BBC1 (Sun/Mon) 00:10

Light Echoes

Light echoes are reflections of light from distant objects in space. But what do they look like and how can they best be seen? Sir Patrick Moore and his guests Professor Mike Bode and Dr Tim O'Brien explain all.

Chris Lintott helps to construct a new radio telescope in Hampshire while Pete Lawrence and Paul Abel preview what is on view in the October skies.

Broadcasts

1.

Mon 4 Oct 2010

00:10

BBC One (except Northern Ireland, Wales)

2.

Mon 4 Oct 2010

00:15

BBC One (Wales only)

3.

Mon 4 Oct 2010

00:30

BBC One (Northern Ireland only)

4.

Tue 5 Oct 2010

19:30

BBC Four

5.

Wed 6 Oct 2010

02:30

BBC Four