scattered pieces of waste or remains. loose natural material consisting especially of broken pieces of rock.
debris
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.
orbit
the envelope of gases surrounding the earth or another planet
atmosphere
a moon, planet or machine that orbits a planet or star
satellite
an artificial body part, such as a leg
prosthesis
to join one or more others in founding (something, such as an organization or institution)
co-founded
a person's principles or standards of behavior; one's judgment of what is important in life.
values
regard (an object, quality, or person) with respect or warm approval.
admire
a piece of metal with a strong attraction to another metal object
magnet
the sister of one's grandparent.
great-aunt
the action of restoring someone to health or normal life through training and therapy after imprisonment, addiction, or illness.
rehabilitation
a person who is trained to travel in a spacecraft.
astronaut
a scale of temperature on which water freezes at 0° and boils at 100° under standard conditions
Celsius
the guidance provided by a mentor, especially an experienced person in a company or educational institution.
mentorship program
a building with sails or vanes that turn in the wind and generate power to grind grain into flour.
windmill
cosmic snowballs of frozen gases, rock and dust that orbit the Sun
comet