The invisible universe
by Paul Ryan
Electromagnetic wavesRadio astronomyCosmic raysHubble Space Telescope (Spacecraft)
"Sheds light on intergalactic radio waves, microwaves, X-rays, gamma rays, and other forms of energy not visible to the naked eye. Information on technology for seeing the invisible universe will give students a new view of the "emptiness of space."--Container.
Writing a summary for young readers…
For young readers
Book data: Open Library