atmosphere: The envelope of gases bordering Earth or another world.

droid: A fictional robotic with synthetic intelligence. The time period was coined for use in the Star Wars universe, and is short for android.

geologic: An adjective that refers to things that are relevant to Earth’s bodily structure and material, its history and the procedures that act on it. Folks who get the job done in this discipline are identified as geologists.

Jupiter: (in astronomy) The photo voltaic system’s premier earth, it has the shortest day duration (10 several hours). A fuel big, its low density implies that this earth is composed of gentle aspects, these kinds of as hydrogen and helium. This earth also releases more heat than it gets from the sunshine as gravity compresses its mass (and bit by bit shrinks the world).

lander: A distinctive, compact automobile created to ferry people or scientific gear concerning a spacecraft and the celestial body they will explore.

laser: A unit that generates an intense beam of coherent gentle of a solitary shade. Lasers are used in drilling and chopping, alignment and steerage, in information storage and in operation.

lunar: Of or relating to Earth’s moon.

Mars: The fourth earth from the sunshine, just a single world out from Earth. Like Earth, it has seasons and moisture. But its diameter is only about 50 percent as major as Earth’s.

moon: The all-natural satellite of any world.

orbit: The curved path of a celestial item or spacecraft all-around a galaxy, star, planet or moon. A person entire circuit close to a celestial entire body.

oxygen: A gasoline that tends to make up about 21 % of Earth’s atmosphere. All animals and quite a few microorganisms have to have oxygen to fuel their expansion (and rate of metabolism).

peer: (noun) Anyone who is an equal, dependent on age, education and learning, standing, instruction or some other options. (verb) To appear into anything, hunting for aspects.

planet: A huge celestial object that orbits a star but unlike a star does not crank out any noticeable mild.

Pluto: A dwarf earth that is positioned in the Kuiper Belt, just outside of Neptune. Pluto is the tenth largest item orbiting the sunlight.

propulsion: The act or method of driving some thing forward, using a power. For occasion, jet engines are one supply of propulsion made use of for holding airplanes aloft.

Crimson Earth: A nickname for Mars.

robot: A device that can sense its ecosystem, approach information and facts and answer with precise steps. Some robots can act without the need of any human input, although other people are guided by a human.

star: The fundamental creating block from which galaxies are manufactured. Stars produce when gravity compacts clouds of fuel. When they develop into hot adequate, stars will emit light-weight and occasionally other varieties of electromagnetic radiation. The sun is our closest star.

titan: The time period for any gigantic being. The expression arrives from Greek mythology. The six sons and six daughters of the Greek gods Uranus and Gaea have been identified as titans. Capitalized Titan is a moon of Saturn.

universe: The full cosmos: All factors that exist all through space and time. It has been increasing due to the fact its development in the course of an event recognized as the Big Bang, some 13.8 billion many years back (give or consider a couple hundred million years).