ScienceThe BestieBeginner
Finding Your Way Through the Stars, a free science course on Tomo

Finding Your Way Through the Stars

Learn to read the night sky like a map. Discover how to use famous constellations to find your way and why the stars change with the seasons.

Like Duolingo, but for Finding Your Way Through the Stars. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

24 levels across 3 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through Navigating the Night Sky, The Seasonal Parade, and The Mechanics of the Night. It starts from scratch.

24 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Cosmo the Comet, the guide who teaches the Finding Your Way Through the Stars course
Finding Your Way Through the Stars
with Cosmo the Comet
24
Levels
3
Sections
5
Min/day
What you'll learn

Key ideas in Finding Your Way Through the Stars

  • The Big Dipper's seven stars are significantly brighter than most surrounding stars
  • Its distinct 'pot with a handle' shape is recognizable even in light-polluted areas
  • It remains visible in the northern sky throughout the year
  • Why the Big Dipper is the best starting point for stargazing
  • The 'pointer stars' are the two stars furthest from the handle
  • The line must extend 'up' out of the top of the bowl
  • The North Star is the first relatively bright star in that line's path
  • The process of using pointer stars to find North
  • The Earth's axis points almost directly at Polaris
  • Other stars appear to rotate around this central point as the Earth spins
  • Polaris stays fixed in the same compass direction (North) all night
  • The Big Dipper is an 'asterism' (a familiar pattern) rather than a full constellation
  • The Dipper's handle and bowl actually form the tail and torso of a much larger animal figure
  • The Great Bear includes many dimmer stars that aren't part of the Dipper
  • Distinguishing between the recognizable shape and the official constellation
  • The unique stationary nature of Polaris
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives Finding Your Way Through the Stars the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

Finding Your First Anchor

Why is the Big Dipper considered a great 'anchor' for beginners in a bright city?

Get it right to open this lesson and 23 more in the app.

Course map

Where Finding Your Way Through the Stars takes you

  1. 1

    Navigating the Night Sky

    • The Big Dipper: Your Universal Map
    • Star-Hopping from Orion
    • The Summer Triangle
  2. 2

    The Seasonal Parade

    • Why the Stars Change with the Seasons
    • Spring Arrivals and Winter Giants
    • Autumn's Square and the Queen
  3. 3

    The Mechanics of the Night

    • The Zodiac Path
    • Measuring the Sky with Your Hands

3 sections · 8 units · 24 levels. Built to play, not to enroll.

New

Tomo is in ChatGPT

Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.

Add Tomo to ChatGPT
How it's taught

You pick the voice

This course
The Bestie

Finding Your Way Through the Stars is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

Keep going

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Start free

Start Finding Your Way Through the Stars today.

Download Tomo, search Finding Your Way Through the Stars, and play your first lesson in under a minute.