Free-range
What is the shortest wavelength?
What is Gamma ray.
Illuminated part of the moon growing larger, toward a full moon.
What is Waxing.
What is the hottest star color?
What is Blue.
What is the longest wavelength?
What is Radio waves.
Illuminated part of the moon gets smaller over time, happens after a full moon.
What is Waning.
What is the coldest star color?
What is Red.
What is how much an orbit deviates from a perfect circle in a number?
What is Eccentricity.
What type of planet is Mercury, Venus, Mars, and Earth?
What is a "Rocky planet."
What are the two most abundant elements in a star?
What is Hydrogen and Helium.
What is visible light
Whats brighter in the night sky, a planet or star?
What is a planet.
Where is the sun located in the HR Diagram?
What is "Main-sequence stage."
How do microwaves prove the Big Bang Theory?
What is leftover radiation from the birth of the universe.
Man-made objects orbiting the Earth?
What is Artificial Satellites.
What is a group of stars?
What is a constellation.