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The SoPHL Bulletin
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Challenge Problems
Part 1 - Estimation & Problem Solving
21st Century Interstellar Travel
The Aion IV Mission
How Many Stars?
Design A Better Ygg-Express Problem
Part 2 - Ygg-World Building
The Aetna System
Building the Unity Station
Time on the Yggdrasil
Yggdrasil Time Converter
Unresolved Binary Magnitude
A Walk Through the Yggdrasil
Does the Drasilian Population Make Sense?
Part 3 - Astronomy Applications
The Tau Ceti Problem
The Ein's Place in the Universe
Researching the MMR & MLR
A Bolometric Correction Interpolator
A Solar Eye of Sauron
XKCD HR Diagram Addition
The Gravity Maths Math
Power the World on Water
Part 4 - SotY Challenge Problems
An OKC Story
A Daedalus Convoy Story
A "Travel Time" Equation
We Didn't See It Coming
A Chapter 1 Coding Solution
A Ptolemy Pentagraph News Article
Homebrewed Challenges
LoS on the Yggdrasil
A Novel Support Beam Structure
Project Hail Mary
Weekly Point Prompts
Achievement Class Problems
Do You Want Ygg-Fries with That?
Our Message to Aliens
Requests & Forms
Ygg-World Problem Submission
Drasilian Requests
Activities
Le Petit Prince Problem
The Yggdrasil Express
From Earth's Archives
The SoPHL Bulletin
The Tau Ceti Problem
Full Point Deadline: 8 April 2025
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