1)
What are "Chukos Shamayim"?
1.
Ibn Ezra: It is the laws that I put, like David sang "Chak Nasan v'Lo Ya'avor."
2.
Malbim: They are the actions of the stars and Mazalos, and their powers.
2)
What is "Mishtaro"?
1.
Rashi: It is the authority of the Mazalos appointed to bring on the land cold, heat, summer and winter. Malbim - did you authorize them?
2.
Ibn Ezra: Shamayim has authority over the land. The root is like Shoterim.
