Guided Tutorial

GUIDE FOR USING JS9 Part 1
GUIDE FOR USING JS9 Part 2
Decoding Starlight
3 Color Composites
X-ray Spectroscopy of Supernova Remnants
Analysis of Two Pulsating X-ray sources
Cartwheel Galaxy
The Bullet Cluster
False Color Images
Adopt A Supernova
Measuring the Expansion Rate of a Supernova Remnant



JS9 Solutions from Prior Events

2021 National Event
2020 MIT Invitational
2019 National Event
2018 National Event



Other Useful Images

Bullet Cluster - optical lensing