Night Sky Objects
Our Nearest Neighbour
The Moon
A labelled atlas of the Moon’s seas, craters, and ranges — with the terminator showing where shadows fall sharpest tonight.
Tonight's Moon
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Open the atlas
The Sky Above
Constellations
Constellations and asterisms with star-hop directions and the real shapes of the figures.
In Season Now
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the season’s signature
Open the guide
Wanderers
The Planets
Where the planets sit tonight and how they orbit the Sun — with a date slider to watch alignments evolve.
Tonight’s Planets
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currently above the horizon
View the Planets
Deep Sky
Deep Sky Catalog
Messier, Caldwell, NGC, and IC deep-sky objects — nebulae, galaxies, and clusters — ranked by how high they climb tonight.
This Month’s Pick
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tonight’s featured object
Open the catalogue
Mark Your Calendar
Cosmic Events
The year’s meteor showers and headline events — oppositions, eclipses, and conjunctions — each counted down to the night, with peak dates and moon interference.
Next Up
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the next event on the calendar
See what’s coming
Explorers
NASA Spacecraft in 3D
Turn real spacecraft in your hand — Perseverance and its helicopter on Mars, the Apollo Lunar Rover on the Moon, the Hubble and James Webb telescopes, and Voyager 1 on its way out of the solar system.
In the Collection
Mars · the Moon · Earth orbit · Deep space
NASA and museum 3D models
Explore the spacecraft
Each section opens its own deep dive — or jump directly from the menu above.