Cosmology Science 10

Which of these waves has the longest wavelength?

• X-ray

• Gamma

• Radio

• Visible light

Gamma rays have the smallest _________________ but the most energy.

Which of these describes the Doppler effect?

• the change in frequency of waves due to the source moving in relation to the observer

• when light elements fuse together in a star to create heavier elements

• the further away a galaxy is the faster it is moving

• the first light from the Big Bang 380,000 years ago

If a police car is travelling towards you with the siren on, the pitch of the siren becomes...

Which piece of equipment allows us to measure the wavelength of the spectra?

• Telescope

• Spectroscope

• Microscope

• Satellite

Who observed the red-shift in spectra from distant galaxies?

• LeMaitre

• Einstein

• Hoyle

• Hubble

If a galaxy is moving towards earth the light will be...

Red-shift from distant galaxies is evidence that the universe is...

Which scientist observed moons orbiting Jupiter?

• Copernicus

• Galileo

• Kepler

• Bruno

Which scientists proposed the existence of CMBR?

• Wilson & Penzias

• Galileo

• Dicke & Wilkinson

• Smoot