A combust planet is a planet within 6.something degrees of the Sun.

Definition: “burnt,” from Old French combust (14c.), from Latin combustus, past participle of combuere “to burn up, consume” (see combustion). Also an astrological term for planets when near the sun (Dictionary).

http://www.youtube.com/watch?v=blz_axbSksQ

Introduction time +

Mercury: 4.18 mins

Moon: 4.34 mins

Venus: 7.25 mins

Mars: 8.02 mins

Jupiter: 9.22 mins

Saturn: 10.13 mins