Solar System Crossword

a group of planets or celestial bodies that revolve around a sun
a celestial body that orbits the Sun, is round, and has cleared its orbital pathway of other objects
a natural satellite of a planet
a natural or artificial (man-made) object in orbit around a celestial body
a celestial body that orbits the Sun and is round or nearly round, but has not cleared its orbital pathway of other objects
a small rocky body orbiting the Sun, found between the orbits of Mars and Jupiter
a celestial object that travels around the Sun in a highly elliptical orbit, made of ice and dust with a gaseous tail
A region of icy celestial bodies orbiting the Sun beyond Neptune
any natural object outside the Earth's atmosphere
relating to the Earth or solid land
the layer of gases surrounding a celestial body
the combination of materials or elements that make up a whole
heating of the atmosphere caused by trapping of solar radiation by gases such as carbon dioxide and methane
suitable for human life
the distance from a star where the temperature could be right for liquid water to exist
National Aeronautics and Space Administration
technology originally developed for mission needs that has become useful for the public
an optical instrument designed to make distant objects appear nearer
a building built to contain an astronomical telescope
an unmanned spacecraft with instruments designed to send information back to Earth
a large spacecraft orbiting Earth, where astronauts from many countries live and conduct scientific experiments
very weak gravity; weightlessness
to transform a planet to resemble the Earth, so it can support human life
a vehicle driven by remote control over rough extraterrestrial terrain
the distance light travels in one year, about 6 trillion miles
a celestial body that produces radiant energy through the process of nuclear fusion
a group of millions or billions of stars held together by gravity
the spiral galaxy that contains our Solar System
a planet that orbits a star outside our Solar System
a region of space with such strong gravity that no matter or light can escape from it