The Solar System Crossword

the star at the center of the solar system
a spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings.
all of time and space and its contents
able to be used without being completely used up or destroyed
the outside part or uppermost layer of something
The solar wind is a stream of energized, charged particles, primarily electrons and protons, flowing outward from the Sun, through the solar system at speeds as high as 900 km/s and at a temperature of 1 million degrees (Celsius).
This consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto
the gravitationally curved path of an object about a point in space
a type of hypothetical exoplanet with an icy surface of volatiles such as water, ammonia, and methane
suitable or good enough to live in
a force that attracts any objects with mass
A gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core.
the rarefied gaseous envelope of the sun and other stars
What the Earth's atmosphere is composed of.
a feature or quality belonging typically to a person, place, or thing and serving to identify it
A layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
The circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.