If a Yellow Star Is Moving Away from Us Very

Q31: Radio telescopes are generally _than are optical

Q32: Light behaves as a_ .<br>A) particle<br>B) wave<br>C)

Q33: Dark- line absorption. spectra can be used

Q34: Consider the following image of the Orion

Q35: The source of the Sun's energy is

Q37: Light travels 300,000 km/s. Many communications satellites

Q38: The most conspicuous features on the surface

Q39: As the temperature of a radiating surface

Q40: The wavelength of light emitted from a

Q41: Electromagnetic radiation that behaves like a particle