The distance that light travels in a vacuum in one year.
What is a light year?
100
The third planet from the sun
What is Planet Earth?
100
Luminous sphere of plasma held together by its own gravity
What is a star?
100
To spin
What is rotate?
100
the curved path of a celestial object or spacecraft around a star, planet, or moon; a brand of chewing gum:)
What is orbit?
200
The universe is thought to be this age
What is 13.8 billion years old?
200
This is known to be a dwarf planet in our solar system.
What is Pluto?
200
The closest star to Earth
What is the sun?
200
To move around an object
What is revolve?
200
a small rocky body orbiting the sun; little planet
What is an asteroid?
300
Known to include everything that exists: planets, stars galaxies, all matter and energy
What is the universe?
300
The asteroid belt is found between these two planets
What are Mars and Jupiter?
300
This is often referred to as a white dwarf
What is a dying star?
300
The length of time that it takes the earth to make a complete revolution around the sun
What is 365.25 days
300
a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light; sometimes called a shooting star
What is a meteor?
400
The character Jean Luc Picard is this
Who is the captain of the Enterprise?
400
Mercury, Venus, Earth and Mars are known as these
What are rocky terestrials?
400
Penny works here
What is The Cheesecake Factory?
400
The length of time that it takes the moon to make a complete revolution around the earth
What is 29.5 days?
400
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
What is a galaxy?
500
Two elements that have existed from the very beginning of time and space
What are hydrogen and helium?
500
Jupiter, Saturn, Uranus and Neptune are known as these
What are gas giants?
500
This is the nearest solar system to our solar system
What is Alpha Centauri?
500
Known as a dirty snowball, this object is an icy body that has a visible atmosphere or coma as heats up near the sun. It sometimes has a visible tail as well.
What is a comet?
500
The only character, other than Penny, on the Big Bang Theory who does not have a PhD (doctorate).