26 • Off icial Kids Mag • FEBRUARY 2018
ACROSS
1. A gaseous, rocky body that orbits a star.
5. An invisible boundary around a black hole from which
nothing can escape the gravitational pull, not even
light.
10. A meteor that has fallen to Earth.
12. Theoretically, a massive object formed at the beginning
of the universe or by a gravitational collapse of a star
exploding as a supernova.
15. Smaller body orbiting a larger body.
20. Planets made primarily of gas, these include Jupiter,
Saturn, Uranus, and Neptune.
21. System that includes the sun and the smaller bodies
(planets, moons, etc…) that orbit the sun.
DOWN
2. Rocky or metallic objects, most of which orbit the
Sun.
3. The central region of a planet, star and galaxy.
4. Small rocky or metallic objects that travel through
space.
6. Curved path, usually elliptical in shape, an object fol-
lows around a bigger object or a common center
of mass.
7. Space between the stars of a galaxy.
8. Destructive explosion of a star.
9. A theory offered by cosmologists related to the early
development of the universe.
11. The third planet from the Sun in our Solar System.
13. The distance light travels in one year, equivalent to
approximately 5.9 trillion miles.
14. The total or partial blocking of one celestial body by
another.
16. A large, bowl-shaped cavity in the ground or on the
surface of a planet or the moon.
17. The attractive force that all objects exert on one
another; the greater an object's mass, the stronger its
pull.
18. The outermost geological thin layer of an asteroid,
moon, or planet.
19. A measure of the total amount of matter within an
object.
Crosswords in Space