Planets, Planets Crossword

the ability to be maintained at a certain rate or level.
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
all existing matter and space considered as a whole; the cosmos.
the envelope of gases surrounding the earth or another planet.
the outer face, outside, or exterior boundary of a thing; outermost or uppermost layer or area.
the force of attraction between all masses in the universe
the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.
the act of putting something together, or the combination of elements or qualities.
theoretical type of exoplanet with an icy surface of volatiles such as water, ammonia, and methane.
it has a rocky core that is surrounded by a lot of ice as well as a thick atmosphere