Most of the energy released by the sun results from what process?
Nuclear Fusion
What form of electromagnetic energy has the longest wavelength?
Radio waves
Which form of electromagnetic energy has the highest frequency?
Gamma rays
Name 3 stars on the main sequence.
Spica, Sirius, Sun, Alpha Centauri, Barnard's Star, Proxima Centauri
What is t he relationship between MASS and LUMINOSITY of stars?
As MASS increases, LUMINOSITY increases.
A star with a surface temperature of 15,000K is what color?
Blue White
What is the name of the solar system model in which the Sun, other stars, and planets orbit the Earth?
Geocentric Model
Which planet on our solar system has the highest average density?
Earth
What is the inferred age of our solar system?
4.6 billion years
Which planet's orbit around the sun is most nearly circular?
Venus
What is the formula for Eccentricity?
distance between foci / length of major axis
Which star on the ESRT has the greatest luminosity?
Deneb
Which 2 planets in our solar system have the same average density?
Jupiter & Uranus
What solar system model is represented here?
Heliocentric
Name all of the Jovian planets.
Jupiter, Saturn, Uranus, Neptune
Name all of the Terrestrial planets.
Mercury, Venus, Earth, Mars
