# Assessment Instructions: Problem Set 07 — Capstone: Exoplanet Comparative Planetology

## Inputs to Inspect
Student submission, this problem set, the solution key, the corresponding lecture slides/notes, and the shared
constants in `materials/ASTR320/src/generate_astr320_content.py` where a problem reuses course data.

## Grading Standard
Award credit for correct method and units first, then for the specific numeric result. A student who shows correct
reasoning with a small arithmetic slip should receive most of the available credit; a student with a correct-looking
number but no visible derivation steps should not. Because this is a 300-level quantitative course, full marks require
a genuine derivation (not just formula substitution) wherever the problem set asks for one.

## Problem-Level Criteria
- Problem 1: full unit-converted equilibrium-temperature calculation required, plus an appropriately hedged (not overconfident) habitability comment.
- Problem 2: both ratios must be computed and explicitly compared to verify the scaling law, not just asserted.
- Problem 3: must invoke the steep distance-scaling of tidal-locking timescale and correctly contrast with Mercury's different resonance outcome.
- Problem 4: must explain the RV sensitivity bias mechanistically, not just state that hot Jupiters were found first.
- Problem 5 (capstone): must cite at least three specific pieces of semester evidence and explicitly separate well-supported from open conclusions; a fluent but generic essay without specific citations or without honest hedging should not receive full credit.

## Resubmission Policy
Students may resubmit within one week of receiving feedback. A resubmission must show a corrected derivation, not
only a corrected final number, and should reference the specific feedback comment it addresses. Regrade to a maximum
of 90% of the original point value unless the error was a grading mistake.

## Common Errors to Flag
- Presenting equilibrium-temperature agreement with Earth as proof of habitability rather than as one necessary but insufficient condition (Problem 1).
- Treating Mercury and the TRAPPIST-1 planets as following identical tidal-locking outcomes without accounting for the steep distance/mass scaling (Problem 3).
- Writing an overly generic capstone synthesis (Problem 5) that could apply to any course rather than citing this course's specific quantitative results.