Transcript Mix & Match Space Vocabulary

A person who
travels in space.
Frozen balls of ice,
gas and rock
orbiting the sun.
Usually are irregular
shapes. Also known
as minor planets.
A scientist who
studies space.
The study of space.
The gravity of a
massive star or
group of stars
causes it to suck in
on itself. This makes
it so dense that not
even light can
escape its
gravitational field.
A big chunk of rock,
metal, and ice that
orbits the sun. Has
a tail of dust and
gases called a coma.
Bunches of stars in
the sky that look
like pictures.
Examples: Orion, Big
Dipper, and Pegasus.
Immense systems
containing billions of
stars. Come in
different shapes:
spiral, elliptical,
oval-shaped, and
some are irregular.
The universe may
have 40 to 50 billion
of them.
Fragments of
comets, planets,
moon, or asteroids
that have broken
off. Billions enter
Earth’s atmosphere
every day, but most
disintegrate before
reaching Earth.
Meteors that fall to
Earth.
Our own
spiral-shaped
galaxy. Contains
about 200 billion
stars.
A natural satellite
that goes around a
planet.
To travel around a
body on a path in
space. For example:
Earth ______s
the sun.
A place equipped to
observe space.
A body in orbit
around the sun.
There are nine in
our solar system.
A body in orbit
around a planet. Our
moon is an example
but some are also
made by humans.
The sun, the nine
planets that orbit it
and the many
satellites, asteroids
and meteorites that
are controlled by
the suns
gravitational pull.
Huge balls of hot
gases. There are
billions in the
universe.
The closest star to
the earth. The
center of our solar
system. Gives us
heat in light.
An optical
instrument used to
view far away
objects, such as
planets and stars.