Micro gravity - NASA scientists take us into their in depth study of how gravity works and the effects it has on humans. Stratellite - this invention is a strange mix between a satellite and a blimp and is helping telecommunications. Supernova - the first of these cataclysmic universe events was spotted in 1987 and here we explain just what he saw. Gravity experiment - here researches develop a new system to test Einstein’s theories of gravity and how man comes to function within it. Symphonies of light - a look at the mysteries of stars and the ways we can learn more about them despite their incredible distances from us. SALT - standing for South African Large Telescope this is the newest satellite to be launched by the us. Swedish rocket range - this remote area in Lapland is perfect for this type of testing which sees rockets launched into the air then after falling back to Earth are able to be closely analysed for various results.