Is there a reward for building a colony on a more dangerous planet?

Solution 1:

According to starbounder wiki: Tenants pay various types of rent to the player after a certain time period. Tenants on higher level planets pay more pixels for rent.

Tier    Threat          40%     25%     20%     10%     5%
------------------------------------------------------------
1       Harmless        100     150     200     250     300
2       Mostly Harmless 150     200     250     300     350
3       Moderate        200     250     300     350     400
4       Risky           250     300     350     400     450
5       Dangerous       300     350     400     450     500
6       Extreme         350     400     450     500     550