What is the 'Roche Limit?'

Radius within which an oncoming body can no longer sustain its own shape

What is a 'LaGrange Point?'

A point in space where gravitational forces create a stable orbit

Kepler's three laws describe what celestial phenomena?

The motion of planets around the Sun

What is Differentiation?

The separation of materials based on density when a body is mostly liquid

What is the 'Hubble constant?'

The rate of expansion of the universe

What is 'Perihelion?'

The closest point to the Sun in a planet's orbit

How is the position of celestial objects typically given in astronomy?

Right ascension and declination

In theoretical physics, what does 'superluminal' refer to?

When objects/events can appear to be traveling faster than light, The hypothetical ability of certain particles to exceed the speed of light

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Answers

1
What is the 'Roche Limit?'
Radius within which an oncoming body can no longer sustain its own shape
The max speed a satellite can reach before pulling away from the host body
The maximum amount of toilet paper you can buy in one day at a store
The distance from a celestial object where only 10% of its gravity is felt
2
What is a 'LaGrange Point?'
A position in an orbit where a planet's speed is at its maximum
The place where an object will be eclipsed if it passes through
A point in space where gravitational forces create a stable orbit
The 'Goldilocks Zone' wherein a planet is temperate enough to harbor life
3
Kepler's three laws describe what celestial phenomena?
The motion of planets around the Sun
The composition of celestial bodies
The production of planetary electromagnetism
The rotation of planets in comparison with their satellites
4
What type of celestial event occurs when two stars orbit each other closely enough that they exchange mass?
Confluent Adjunct
Contact Binary
Stellar Coalescence
Common Envelope
5
What is Differentiation?
The separation of materials based on density when a body is mostly liquid
The process of cooling and solidifying of molten rock on a planet's surface
The gradual erosion of a planet's surface by wind and water
The migration of a planet's orbit due to gravitational influences
6
What is the 'Hubble constant?'
The speed of light in a vacuum, or 'c'
The rate of expansion of the universe
The temperature of the Cosmic Microwave Background, at about 2.7° Kelvin
The concept of the sum total of the energy and mass in the universe
7
What is 'Perihelion?'
The average distance of a planet from the Sun
The closest point to the Sun in a planet's orbit
The orbital period of a planet
The farthest point from the Sun in a planet's orbit
8
How is the position of celestial objects typically given in astronomy?
North, South, East, and West
Zenith and nadir
Point at it with your finger
Right ascension and declination
9
In theoretical physics, what does 'superluminal' refer to?
The concept of time dilation experienced at near-light speeds
When the redshift effect significantly changes light's appearance
When objects/events can appear to be traveling faster than light
The hypothetical ability of certain particles to exceed the speed of light
10
What is the term for a star's brightness as seen from Earth?
Luminosity
Absolute Magnitude
Relative Manifestation
Apparent Magnitude

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