A CONNECTED VIEW OF THE COSMOS

Astronomy,
mapped.

Begin with our nearest worlds, then follow the branches outward—from stars and galaxies to spacetime, quantum physics, life, observation, and exploration.

10 branches70+ conceptsOne connected universe

THE KNOWLEDGE MAP

Ten branches.
One cosmic story.

Select a branch to reveal its ideas and subtopics. Open several at once to see where the subjects overlap.

✦ASTRONOMYExplore the universe

Sun

Terrestrial Planets

MercuryVenusEarthMars

Giant Planets

JupiterSaturnUranusNeptune

Dwarf Planets

Moons

Asteroids

Comets

Open this field guide →

A RECOMMENDED LEARNING PATH

From the familiar
to the fundamental.

This sequence moves from the objects we can observe most directly toward the theories that describe the deepest structure of reality.

01Solar System↓
02Stars↓
03Galaxies↓
04Black Holes↓
05Cosmology↓
06Relativity↓
07Quantum Physics↓
08Particle Physics↓
09Dark Matter / Energy↓
10Quantum Gravity & String Theory

Ten branches.One cosmic story.

From the familiarto the fundamental.

Ten branches.
One cosmic story.

From the familiar
to the fundamental.