Un cover the
f
o
s
e
i
m ys t e r
the
Un i v e rs e
A N A s t r o no m y
A C t i v i t y!
Have what it takes to discover the
next great celestial object? An
astronomer needs a logical head
and the patience to uncover the
mysteries of the Universe.
Earth
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A nswer Ke y
In st ruc tors Page
CLUES
1. A space rock orbiting the sun....................... A S T E R O I D
2. The central part of a star or planet.............. C O R E
3. Path one object takes around another....... O R B I T
4. An oval-shaped path is….............................. E L L I P T I C A L
5. The stretching of objects
in space into strings........................................ S PAG H E T T I F I C AT I O N
6. A person who studies the universe............... A S T R O N O M E R
7. The distance light travels in one year........... L I G H T Y E A R
8. A ball of hot, bright gas.................................. S TA R
9. All of space and everything it contains....... U N I V E R S E
10. Of or like a star................................................ S T E L L A R
11. A person who travels in space..................... A S T R O N AU T
12. When one celestial object hides................. E C L I P S E
another from view
13. A measure of brightness............................... M AG N I T U D E
14. A layer of gas surrounding a planet............ AT M O S P H E R E
15. T hin, rocky layer covering
a planet’s surface.......................................... C R U S T
16. One complete rotation on an axis.............. S P I N
17. Molten rock that flows.................................... L AVA
18. H
ollow in the surface of
a planet or moon.......................................... C R AT E R
19. Visible surface of a star.................................. P H OTO S P H E R E
20. A force of attraction between objects...... G R AV I T Y
21. The line around which a planet rotates...... A X I S
22. An object held in orbit by gravity............... S AT E L L I T E
23. What surrounds Saturn.................................. R I N G S
24. The Sun’s superhot outer layer of gas......... C O R O N A
25. A building that houses telescopes.............. O B S E R VATO R Y
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A Basher Astronomy Vocabulary
Word
Searc h
Test your astronomical knowledge
by decoding the clues below.
Once you’ve found the answers,
look for the words in the puzzle. It’s
tricky—like deep space there is no
gravity—they could be up or
down, frontwards or
backwards in any
direction.
CLUES Number of letters
1. A space rock orbiting the sun
2. The central part of a star or planet
3. Path one object takes around another
4. An oval-shaped path is…
5. The stretching of objects in space into strings
6. A person who studies the universe
7. The distance light travels in one year
8. A ball of hot, bright gas
9. All of space and everything it contains
10. Of or like a star
11. A person who travels in space
12. When one celestial object hides another from view
13. A measure of brightness
14. A layer of gas surrounding a planet
15. Thin, rocky layer covering a planet’s surface
16. One complete rotation on an axis
17. Molten rock that flows
18. Hollow in the surface of a planet or moon
19. Visible surface of a star
20. A force of attraction between objects
21. The line around which a planet rotates
22. An object held in orbit by gravity
23. What surrounds Saturn
24. The Sun’s superhot outer layer of gas
25. A building that houses telescopes
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