Astronomy 110 Final Test Guide combined

What happens to a low mass star after spending most of its life on the main sequence? - It evolves to the red giant region of the H-R diagram. Which two ways can a star generate energy? - Fusion reactions in the core of the star and gravitational contraction. How does a main sequence star beco...

Early Ideas of how Sun shines - Impacts from meteors heated the sun. Sun's shine - Nuclear Fusion Sun's Inner Layers - Core, Radiation Zone, and Convection Zone Sun's Outer Layers - Photosphere, Chromosphere, and Corona. Photosphere - Visible surface of the Sun, and it emits Visible...

Which of the following distances is the greatest? - The distance from the Sun to the nearest neighboring star So called "Apollo" asteroids are distinguished because they ___. - Cross the orbit of the Earth Isotopes of the SAME element only differ in their number of ___. - Neutrons In geol...

The declination of a star in our sky The angle between the celestial equator and the star, measured along a great circle Passing through both celestial poles. The angle between your zenith and your horizon is 90°. The Sun rises due east in the sky when viewed from any site on the Earth, bu...

How did the solar system form? - Nebular Theory - Our Solar System formed from a giants, swirling cloud of gas and dust What are the terrestrial and JSUN (Jovian) planets made of? - Rocks and metals condense inside frost line, hydrogen compounds (ices) condense outside frost line What is the o...

How many constellations are there? - 88 constellations lookback time - The time elapsed between when we detect the light here on Earth and when it was originally emitted by the source, is known as the 'lookback time'. Center of Milky Way - The Galactic Center (or Galactic Centre) is the rota...