Front | Back |
People explore space with what three things?
|
Visible light, radio waves, rockets
|
People explore space with visible light using what two things?
|
Reflecting telescopes and refracting telescopes
|
People explore space with radio waves using what?
|
A radio telescope
|
People explore space with rockets using what?
|
Satellites, space shuttles, and space probes
|
A refracting telescope is a type of what telescope?
|
Opticle
|
Radio waves and gamma rays are two types of what (waves)?
|
Electromagnetic
|
Sound waves are an example of what?
|
Mechanicle waves
|
What usues mirrors to focues light from the object being viewed?
|
Reflecting telescope
|
Because radio waves can pass freely though Eath;s atmosphere what are most useful under most weather conditions?
|
Radio telescopes
|
What is a motor that burns fuel without air?
|
Rocet
|
In what does light pass through a double convex lens and is bent to form an image on the focal plane?
|
Refracting telescope
|
To hear astronauts in space, the sound eaves are converted to what and then back to sound waves?
|
Radio waves
|
All electromagnetic waves travel at the same what?
|
Speed
|
What travels at 300,000 km/s in a vacumm?
|
Light
|
In a radio telescope radio waves strike a large curved what?
|
Dish
|