Astronomy

What is the speed of light?

• 300,000 km/s
• 300 mph
• 300,000,000,000 m/s
• 7 miles/second

What type of spectrum do stars emit?

• continuous
• absorption
• emission
• spectral

What type of spectrum is given off by a gas when heated?

• continuous
• absorption
• emission
• spectral

What type of spectrum is created when light passes through a cool, transparent gas?

• continuous
• emission
• absorption
• spectral

Which of the following spectrum list is in the correct order?

• radio, micro, infrared, visible, ultraviolet, x, gamma
• gamma, x, infrared, visible, ultraviolet, micro, radio
• radio, infrared, micro,ultraviolet,visible,x,gamma
• x,gamma,micro,radio,ultraviolet,infrared,visible

What are packets of light called?

• packtons
• protons
• photons
• tachyons

Whose law tells you which wavelength of light is most intense for an object?

• Wien's
• Kirchoff's
• Boltzmann's
• Doppler's

What is the study of unique color lines emitted by elements called?

• spectroscopy
• adaptive optics
• radio telescopy
• blackbody measurements

What is the name of the effect that shrinks or stretches waves?

• Doppler
• Boltzmann
• Kirchoff
• Wein

When something is moving towards you what color does it look more like?

• Red
• Blue
• Purple
• Green