1. Looking into space Learning outcomes: You should Know the other objects we share our solar system with Understand how and why telescopes are used in astronomy

2.  1066, the Battle of Hastings  Normandy invaded Britain – and won  Recorded in the Bayeux Tapestry  70 metres long - includes 623 people, 202 horses, 41 ships and 55 dogs

3.  Halley’s Comet? These men wonder at the star

4.  12 BC – the Star of Bethlehem?  Periodic comet  Visits Earth every 75 -76 years  Visible with naked eye  Last visit 1986  Next visit 2061

5. Comet or asteroid  Rock, dust, ice and frozen gases  Dirty snowballs  Between 500 m and 50 km across  Start to melt the closer they get – produces tail  Asteroids – left over bits  Solid lump of rock  10 – 100 km across

7.  Dinosaurs all died  Impact on Earth would produce large amounts of debris  Blocked out sunlight  Collision every 200-300 years  1908 in Russia – 2000km  What could we do to prevent this?

8.  Telescopes – first used by Galileo 400 yrs ago  Magnification – x20  Affected by atmosphere  Scatters light  Hubble telescope  353 miles  In orbit, not affected by atmosphere

10.  Not just light – radio waves, microwaves, UV  Radio telescope  Objects emit radiation in radio wavelength  Satellites  Detect EM waves that don’t penetrate atmosphere  Stars exploding – gamma rays  Far off planets – infra red  Black holes – nothing

11. A. Earth B. Jupiter C. Pluto D. Venus

12. A. It is closer to the Sun B. It is further away from the Sun C. Acid Rain D. The Greenhouse Effect

13. A. Comet B. Planet C. Asteroid D. Moon

14. A. Iron and nickel B. Strontium C. Hydrogen and helium D. Helium and neon

15. A. Earth B. Venus C. Saturn D. Mars