The Sun
| C | P | P | L | T | O | P | S | N | U | S | J |
| O | H | K | R | W | M | H | E | A | T | F | H |
| D | O | R | X | O | S | U | E | A | R | B | N |
| N | T | T | O | O | M | C | I | A | P | O | P |
| I | O | A | V | M | L | I | W | L | I | O | L |
| W | S | E | N | I | O | D | N | T | E | F | A |
| R | P | C | P | O | W | S | A | E | U | H | S |
| A | H | S | E | O | R | I | P | S | N | Q | M |
| L | E | R | L | Z | D | O | I | H | S | C | A |
| O | R | L | I | A | H | O | C | U | E | H | E |
| S | E | R | R | A | N | M | F | L | A | R | E |
| Y | D | N | E | G | O | R | D | Y | H | I | E |
- CHROMOSPHERE
- CORONA
- ECLIPSE
- FLARE
- FUSION
- HEAT
- HELIUM
- HYDROGEN
- PHOTOSPHERE
- PLASMA
- PROMINENCE
- RADIATION
- SOLARWIND
- SUNSPOT
- YELLOWDWARF
Our closest star is a churning ball of plasma, and this puzzle covers its layers and outbursts. Hunt for the corona, sunspots, solar flares, and the fusion of hydrogen into helium that powers it all. It fits nicely into a space or physics unit. Play here or print it out.