Astronomy Part 2

Which color has the most energetic photons?

• red

• orange

• blue

• violet

Which of the following refers to the change in wavelength that occurs when an object moves toward or away from a source?

• Doppler effect

• chromatic aberration

• spectroscopy

• wave theory of light

The layer of the sun that we can see is the___.

• photosphere

• corona

• chromosphere

• ionosphere

Streams of electrons and protons that shoot out from the sun's corona make up the solar _____.

• atmosphere

• wind

• rays

• granules

The product of nuclear fusion of hydrogen is _____.

• hydrogen

• oxygen

• helium

• nitrogen

Stars of which color have the coolest surface temperature?

• red

• orange

• yellow

• blue

Another name for the interstellar matter that will eventually form a star is _____.

• supernova

• red giant

• black hole

• nebula

Massive stars terminate in a brilliant explosion called a _____.

• red giant

• protostar

• neutron star

• supernova

All stars, regardless of size, eventually _____.

• turn into black dwarfs

• explode

• run out of fuel

• become black holes

The sun converts matter into energy in the

• corona.
• radiative zone
• convection zone
• core