1.7 FYI Seasons

1.8 Seasons Activity

2.1 Impact Craters Procedure

3.9 Black Hole ARticle

Planet Chart

EM Photo

Missing work

2020 kepler

The Day the Moon was Gone

Mythbusters Moon Hoaxes

EM PPT

Syllabus 21-22

motion of the sun applet

EM PDF

Drake

Modified Schedule

distance ladder