Launch
Everything falls.
Some things miss.
A scroll-driven gravity sandbox. Travel the sky, draw a constellation, keep missing.
You leave the pad with a sideways push. Gravity never lets go — it only waits for you to slow down.
Keys: arrows move · Shift+arrows aim · Enter adds · P pauses · R resets
TravelChapter · Orbit
Orbit
An orbit is falling that never finishes. Drop a body, fling it, and watch it miss the ground forever.
Challenge
Challenge: keep at least three bodies in orbit for ten seconds. An orbit is falling that never finishes.
Chapter · Moon
Moon
Closer now: a quiet companion locked in Earth's tug. Escape here is only about 2.4 km/s — still a hard shove.
Chapter · Deep space
Deep space
Past the local neighborhood the Sun is just another bright point. The same physics scales; the distances do not.
Click to place stars. Lines connect in order. Five to nine stars read best. Clear anytime — saved for this visit only.
Chapter · Nebula
Nebula
Gas and dust glow where new stars take shape. True numbers from the dark wait a scroll further on.
Today's draw
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The Moon's mean distance from Earth is about 384,400 km.
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Lunar escape velocity is only 2.38 km/s.
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The Moon recedes from Earth by about 3.8 cm each year.
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A Martian day (sol) lasts about 24.66 hours.
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Mars takes about 687 Earth days to orbit the Sun once.
Chapter · Home
Home
Same physics, different night. Come back tomorrow — the sky and the facts will have shifted.
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