This is the difference between mass and weight.
What is the amount of matter in an object? What is the pull of the planet's (Earth's) gravity on the object?
This is the spectral order of stars.
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This is the shape of the universe.
What is flat?
This is the order of the planets.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
This scientist was the first to propose in a long time that the planets orbited the sun.
Who is Copernicus?
This astronomical event involves the shadow of the Moon on the Earth.
What is a solar eclipse?
This is the most important characteristic of a star.
What is mass?
This is the weakest of the four fundamental forces.
What is gravity?
Which method has found the most exoplanets?
What is the transit method?
This scientist created 3 laws to describe planetary motion.
Who is Kepler?
This causes stars to twinkle.
What is turbulence in the atmosphere?
These are the two possible outcomes of a high mass star
What is a black hole and a neutron star?
This is the fate of the universe
What is old, dark and lonely?
This theory describes how the solar system formed.
What is nebula theory?
This scientist is known as the father of modern physics.
This wavelength of light has the highest frequency.
Purple. (or Gamma or Blue.) why would all three of these answers be correct?
This is how we find the masses of stars.
What are orbits?
This mysterious force is accelerating the clusters of galaxies apart.
This is the difference between a planet and a dwarf planet.
How did planets clear their orbits?
This scientist discovered that galaxies are moving away from each other.
Who is Hubble? What is Hubble's law?
This is the phase where the moon rises at sunset.
What is a full moon?
These are the things the position of a star on the H-R diagram tells us about it.
What are mass, luminosity, temperature and life phase?
This is the oldest light we can see.
What is the Cosmic Microwave Background?
How do we know the age of the solar system?
What is radiometric dating
This scientist developed two theories that gives us our current understanding of spacetime.
Einstien.