The Sun
The Sun is this type of star.
What is Main Sequence?
Luminosity is directly related to what other characteristic of a star?
Mass or size
An ellipse
Why do we only ever see one side of the moon?
Moons rotation and revolution are the same
One piece of evidence that explains the big bang theory?
Red shift or Cosmic microwave background radiation
The sun creates energy with this process.
What does the color blue tell you about a stars temperature?
It's hot
Eccentricity is what?
How oval and ellipse is?
Spring tides happen when the Sun, Moon and Earth are in what position?
Straight Line
What is perihelion and when does it occur?
When earth is closest to the sun / January 4th (Winter)
What is red giant?
Describe Vega's luminosity and Temperature compared to the Sun's.
Higher luminosity and temperature.
If the orbit of a planet is closer to 0.00 than another planet what can you infer about the shape of it's orbit?
It's more circular.
For a solar eclipse to happen the moon has to be in what phase?
New Moon
If an object has a red shift what does that mean about it's motion in space relative to us?
It is moving farther away.
Sunlike stars don't go through nucleosynthesis because of this characteristic.
What is mass or size?
In their "Late Stage" Sun like stars will become this type of star?
White Dwarf
What two characteristics have the greatest effect on gravity?
Size and distant.
The moon's revolution is?
27.3 Days
What is the difference between Terrestrial and Jovian planets?
Terrestrial rocky/small/denser
Jovian gaseous/large/less dense
Comparatively cool spots on the sun that show the location of strong electromagnetic fields are called this.
What are sun spots?
Iron (Fe) and 1/4 of a second
Kepler's second law states....
The closer a planet is in it's orbit to the sun the faster it moves.
What is the name of the phase when the moon is half lit in the waxing portion of it's cycle?
1st quarter
What makes Pluto a dwarf planet?
Doesn't have it's own orbital zone.