How did the universe begin?
By an explosion (The Big Bang)
As you go from the color blue to red, what happens to the surface temperature?
The temperature decreases
Which planet has the most eccentric orbit?
Mercury
When did the universe begin?
13.8 billion years ago
What determines whether a main sequence star becomes a giant or a supergiant?
the mass of the star
What is the common foci for all orbits in our solar system?
The Sun
How old is our solar system?
4.6 billion years old
Which star in the main sequence category has a greater luminosity but same surface temperature than the Sun?
Alpha Centauri
What is apogee?
the point in the orbit at which it is the farthest from Earth
What galaxy is our solar system a part of?
The Milky Way Galaxy
What is luminosity?
How bright the star is compared to the Sun
What do you call an island of stars?
A galaxy
What is the late stage for a giant star?
White Dwarf