Crossword Science

a convenient arrangement; a settlement or compromise.
a feature or quality belonging typically to a person, place, or thing and serving to identify it.
give (someone or something) the authority or means to do something.
a type space travel with a crew or passengers aboard the spacecraft.
very weak gravity, as in an orbiting spacecraft.
the gravitationally bound planetary system of the Sun and the objects that orbit it, either directly or indirectly.
a planet that is composed primarily of silicate rocks or metals.
an object that has been intentionally placed into orbit.
the fifth planet from the Sun and the largest in the Solar System. It is a giant planet with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined.
a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. It was the first Kuiper belt object to be discovered and is the largest known plutoid.