Visual learning
Explore the universe through infographics
Compare planets, follow the lives of stars, understand black holes, and explore the scale of the cosmos through clear visual guides. Each infographic combines an original illustration with concise explanations and carefully checked astronomy data.
Solar System
Planet Size Comparison
How big are the eight planets? Compare Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune at a shared diameter scale.
5 min visual guideExplore the infographic →Solar System
Distance of the Planets from the Sun
See each planet's average orbital distance in astronomical units and understand why most Solar System diagrams are not to scale.
4 min visual guideExplore the infographic →Stars
Life Cycle of a Star
From a stellar nebula to a white dwarf, neutron star, or black hole — how a star's mass decides its fate.
6 min visual guideExplore the infographic →Exoplanets
Types of Exoplanets
Compare hot Jupiters, warm Neptunes and sub-Neptunes, super-Earths, terrestrial worlds and rogue planets on one matrix.
5 min visual guideExplore the infographic →Exoplanets
How Astronomers Find Exoplanets
Five side-by-side panels for the transit, radial velocity, direct imaging, gravitational microlensing and astrometry methods.
6 min visual guideExplore the infographic →Exoplanets
TRAPPIST-1 System Explained
Seven Earth-size planets orbiting a single ultracool dwarf in an extraordinarily compact resonant chain.
5 min visual guideExplore the infographic →Black Holes
Anatomy of a Black Hole
The event horizon, singularity, accretion disk, photon region, corona and relativistic jets — what each region is and is not.
6 min visual guideExplore the infographic →Space Telescopes
Hubble vs. James Webb Space Telescope
Two flagship space telescopes compared by mirror size, wavelengths, orbit and scientific strengths.
5 min visual guideExplore the infographic →Astronomy Basics
The Electromagnetic Spectrum
From radio waves to gamma rays: what each band reveals about the universe and which observatories work in it.
5 min visual guideExplore the infographic →Astronomy Basics
Moon Phases Explained
New Moon, waxing, full, waning — the eight familiar phases in one view, with the geometry that produces them.
4 min visual guideExplore the infographic →Space Missions
Timeline of Space Exploration
From Sputnik in 1957 to modern observatories and rovers — the milestones that shaped the Space Age.
6 min visual guideExplore the infographic →Cosmic Scale
Scale of the Observable Universe
A step-by-step logarithmic journey from Earth to the observable universe, with honest labels about what “observable” means.
6 min visual guideExplore the infographic →
Learn astronomy visually
Infographics work because they compress a lot of relationships into a single glance. A size chart shows why Jupiter dwarfs every rocky planet. A branching diagram shows why the Sun will never explode as a supernova. A logarithmic scale shows why we cannot draw Mercury and Neptune on the same line at true proportions.
Some diagrams here compress distance or time to keep every element visible. Whenever a graphic is not to scale, we label it clearly and describe the actual values in the accompanying text. Every essential fact shown visually is also stated in accessible HTML below the diagram so the page remains useful without the image.
Sources include NASA Science, the NASA Exoplanet Archive, ESA, and peer-reviewed research where relevant. Numeric values come from official planetary fact sheets and mission pages; see the Sources section on each detail page.