Stars
The two most common gases found in stars.
What are hydrogen and helium?
The planet closest to the sun.
What is Mercury?
The largest planet in our solar system.
What is Jupiter?
This dwarf planet was "demoted" from planet status.
What is Pluto?
Uranus and Neptune are this kind of planet.
What is an ice giant?
The process by which stars forge larger elements from smaller elements.
What is nuclear fusion?
The length of Mercury's orbit. (In Earth Days)
What is 88 Earth Days?
The term for the point which Jupiter orbits.
What is the barycenter (of the Sun and Jupiter)?
Pluto is sometimes closer to the Sun that this planet.
What is Neptune?
The tilt of Uranus' axis is almost this many degrees.
What is 90 degrees?
Approximate temperature of the surface of the sun.
What is 10,000 degrees Fahrenheit?
Has an atmosphere made primarily of carbon dioxide and sulfuric acid.
What is Venus?
Jupiter and Saturn are this kind of planet.
What are gas giants?
This dwarf planet spins so fast that it is egg-shaped.
What is Haumea?
The large, perpetual storm on Jupiter is known as this.
What is the Great Red Spot?
When a star "dies" through an explosion.
What is a supernova?
Earth's core is mostly made of this.
What is iron?
The current count of Saturn's moons (as of the book's publication in 2022).
What is 82? (As of today's date, the count is up to 274)
The region of space, occupied by Pluto, where many smaller objects orbit the sun.
What is the Kuiper belt?
The infrared telescope orbiting at L2 (sun-earth).
What is the James Webb Space Telescope?
The observed movement of a object by the changing the point of view of the observer. (Used to measure the distance to stars.)
What is parallax?
A location in the solar system that is neither too hot, nor too cold for life.
What is the "Goldilocks Zone"? (or circumstellar habitable zone)
Average distance between the Sun and Saturn (in millions of miles).
What is 886 million miles?
The small objects that lead and follow Jupiter in its orbit (at L4 & L5 Lagrange points).
What are Trojan Asteroids?
On Earth we only see one side of the moon, because of this.
What is tidal lock? (Or, What is the moon being tidally locked?)