Energy Nuclear Fission Nuclear Fusion The splitting of an atom to create energy Produced in nuclear reactors The fusion of two atoms to create energy Happens within stars
What is electromagnetic energy? Energy emitted from objects in the form of electrical and magnetic waves that can travel through space (vacuum).
Electromagnetic Energy energy that travels in waves spectrum on: p. 484 & 678
The Electromagnetic Spectrum
Gamma Rays 1 cm X – Rays 2 cm Ultraviolet 3 cm Visible Light 4 cm Infrared 5 cm Microwaves 6 cm Radio Waves 7 cm spectrum on: p. 484 & 678
What is a radio-telescope?
How we “see” the universe: this is a RADIO TELESCOPE we use this information to study galaxies