Space Exploration

Edit Answers
12345678910
Across
  1. 4. object which revolves around another object
  2. 5. used in outer space exploration to send satellites, space probes and spaceships to outer space
  3. 7. spacescrafts which collect the data from outer space and send them back to earth
  4. 9. is the satellite that used in Malaysia for remote sensing
  5. 10. model that built by Ptolemy
Down
  1. 1. method of collecting and recording data from a far distance such as in outer space
  2. 2. the natural satellite that revolves around the earth
  3. 3. the sun is stationary and all other objects such as the earth and the other planets revolve around the sun in circular orbits
  4. 6. built the heliocentric model with the sun at the centre and circular orbits
  5. 8. the first artifial satellite to revolve around the earth