成人快手 World Service - Seeing Stars

The Aurora

First broadcast in 2000. The Aurora is caused by solar activity

First broadcast in 2000. The astronaut on the prospect of landing on Mars

First broadcast in 2000. Latest discoveries from the Galileo mission

First broadcast in 2000. Total eclipse of the Moon - discussion with Robin Scagell

First broadcast in 1999. Chandra, a telescope to monitor X-rays coming from space

First broadcast in 1999. The importance of a transit of Mercury

First broadcast in 1999. The material from Mars that falls to the Earth

First broadcast in 1999. Mars Climate Orbiter measures the Martian climate and atmosphere

First broadcast in 1999. How to view and photograph partial and total solar eclipses

First broadcast in 1999. How big a threat to Earth are asteroids and comets?