Astronomy Introduction
| a | t | l | e | f | s | n | o | i | t | u | l | o | v | e | r | g | e | f | m | a |
| g | i | b | b | o | u | s | a | g | n | i | n | a | w | s | a | s | e | a | n | r |
| s | u | n | e | V | p | l | c | n | o | o | p | c | l | p | p | p | r | r | o | o |
| s | a | l | u | r | a | a | l | r | o | t | o | c | b | i | h | e | e | u | e | r |
| n | o | s | y | c | t | p | r | m | a | r | u | r | l | l | e | r | h | a | r | u |
| o | r | l | s | a | l | i | w | t | o | t | a | l | e | c | l | i | p | s | e | a |
| p | M | e | a | u | r | e | h | n | i | o | e | s | P | e | i | g | s | f | t | x |
| n | e | e | t | r | n | e | a | t | E | a | n | r | r | r | o | e | o | e | r | h |
| s | t | e | r | r | e | s | t | r | i | a | l | p | l | a | n | e | t | s | a | i |
| u | e | o | o | c | a | c | p | i | f | l | r | e | u | n | M | g | o | a | u | g |
| n | p | s | t | n | u | u | l | o | p | u | o | t | c | u | u | o | h | r | q | h |
| a | e | o | a | h | h | r | q | i | t | u | s | g | h | l | p | p | p | b | d | l |
| r | r | l | t | h | s | l | y | t | p | m | J | i | e | r | i | a | r | m | r | a |
| U | i | a | i | f | p | n | o | i | s | s | e | c | o | r | p | p | r | u | i | n |
| c | h | r | o | m | a | s | p | h | e | r | e | m | t | n | r | w | s | n | h | d |
| l | e | f | n | P | u | e | x | J | o | v | i | a | n | p | l | a | n | e | t | s |
| i | l | l | u | n | N | e | p | t | u | n | e | f | r | g | a | x | n | p | u | r |
| a | i | a | e | m | P | l | a | n | e | t | X | l | p | e | p | i | p | u | a | l |
| s | o | r | r | a | b | J | d | n | i | w | r | a | l | o | s | n | p | l | l | i |
| t | n | e | c | s | e | r | c | n | r | u | t | a | S | i | a | g | m | p | e | w |
| t | a | r | u | a | n | e | a | r | e | r | m | t | l | n | r | u | u | r | l | l |
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| aphelion | apogee | aurora | | chromasphere | corona | crater | | crescent | Earth | ellipse | | first quarter | full moon | gibbous | | highlands | Jovian planets | Jupiter | | lunar eclipse | lunar regolith | mare | | Mars | Mercury | Neptune | | new moon | nuclear fusion | partial eclipse | | penumbra | perigee | perihelion | | phases | photosphere | Planet X | | Pluto | procession | prominence | | ray | revolution | rille | | rotation | Saturn | solar eclipse | | solar flare | solar wind | sun | | sunspot | terrestrial planets | third quarter | | total eclipse | umbra | Uranus | | Venus | waning | waxing |
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Some of the puzzles that people list for the public
get indexed by the search engines
(like Google).
Some people find those puzzles and cannot figure out how to make a puzzle
of their own. So this page now has the navigation sidebar.
There are now buttons on the puzzle so that you can get a clean page,
in either HTML or PDF, that you can use your browser's print button
to print. The PDF format allows the web site to know how large a
printer page is, and the fonts are scaled to fill the page.
The PDF takes awhile to generate. Don't panic!
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