What is gravity?
the pulling force between any objects that have mass.
Describe with details the theory generally accepted by science for the origin of the universe and stars.
Big Bang theory which explains how the universe is expanding and uses the background radiation found in space, which is seen in red shift(doppler effect).
Describe the life cycle of a star and what determines the path a start could take.
steller Nebula, low mass=red giant, planetary nebula, white dwarf. High mass=masive star, red supergiant, supernova, neutron star or black hole.
What are the four main types of galaxies?
spiral, barred spiral, elliptical, irregular, ( lenticular, peculiar)
Describe different types of telescopes used when studying the universe.
reflecting, refracting, space-based
What are some everyday things we use that came from space exploration?
water purification, thermostat, infrared thermometer, wireless headset, scratch resistant and uv blocking, carbon monoxide detector
Electromagnetic waves have energy. What is the relationship between the size of the wave and its level of energy?
the longer the wavelength the lower the energy, the shorter the wavelength the higher the energy.