The Universe
This can escape a black hole.
What is nothing?
The North Star has this official name.
What is Polaris?
The Earth's Moon has this number of distinct phases.
What is 8?
This is the galaxy that our solar system exists in.
What is the Milky Way?
A perfect circle has this eccentricity.
What is 0?
Cosmic background radiation is one of the pieces of evidence of this theory.
What is the Big Bang Theory?
These are the two elements that stars are majorly composed of.
What are hydrogen (H) and helium (He)?
These are the phases in which spring tides occur.
What are full moon and new moon?
This is what heliocentric means.
What is "the Sun is in the middle?"
An ellipse with an eccentricity of 1 would look like this.
What is 1?
Red-shift and blue-shift are part of the _____________ Effect.
What is Doppler?
This is the process that stars undergo to make heavier elements, which results in a lot of energy released as light.
What is nuclear fusion?
These are the positions of the Sun and Moon when neap tides are occurring.
What are (in some way of explaining) set up so the Earth is at a right angle between the Sun and Moon?
Jupiter, Saturn, Uranus, and Neptune go by this collective name.
What are the Jovian Planets?
OR What are the Gas Giants?
What is fastest?
OR What is at its greatest speed?
An object approaching Earth will have its individual light spectrum experience this shift.
What is blue-shift?
What are white dwarfs?
This is the reason we don't have eclipses during every full moon or every new moon.
What is something along the lines of "the Moon's orbital plane is off by 5 degrees from Earth's orbital plane?"
This is the collection of space rocks that separates the two groups of planets.
What is the Asteroid Belt?
This is the planet with the highest eccentricity.
What is Mercury?
Proof of an expanding universe is the observation that the majority of visible stars are experiencing this.
What is red-shift?
A star with a luminosity of 1,000 and a temperature of 25,000 K should be this color.
What is blue?
This is the reason we only ever see the same face/craters of the Moon from down on Earth.
What is the period of rotation and the period of revolution are the same?
This is what the previously accepted model of the solar system was before the currently accepted heliocentric model.
What is the geocentric model?
OR What is "The Sun revolves around the Earth?"
This is the eccentricity of an ellipse with a major axis of 35 miles and a distance between the focal points of 12 miles.
What is 0.343?