Interactive sky maps, virtual planetariums, Solar System models, space telescope archives, and scientific astronomical data.
Modern web-based astronomy tools let you explore the night sky, the Solar System, and deep-space objects without installing specialist software.
This E-TERRA section brings together interactive tools for learning, observation, and independent exploration of astronomical data.
Explore real astronomical sky surveys directly on the E-TERRA website.
From virtual planetariums to professional archives of astronomical observations.
A realistic online planetarium for exploring the night sky, planets, constellations, and other celestial objects.
A 3D model of the Solar System featuring planets, moons, asteroids, comets, and NASA spacecraft.
An interactive 3D environment for exploring confirmed exoplanets and star systems beyond the Solar System.
A European Space Agency science portal for exploring the sky using data from space- and ground-based observatories.
A virtual environment for visualising astronomical data, telescope imagery, and the three-dimensional structure of the Universe.
A virtual observatory for retrieving astronomical images of a selected region of the sky across different wavelength bands.
See what the Hubble and James Webb space telescopes are observing, along with their past and scheduled programmes.
An interactive 3D map of near-Earth asteroids, close approaches to Earth, and NASA exploration missions.
See in real time which spacecraft are currently transmitting data through NASA's Deep Space Network.
Start with Stellarium Web.
Use NASA Eyes on the Solar System.
Try Aladin Lite, ESASky, or NASA SkyView.
Open WorldWide Telescope or Eyes on Exoplanets.
Some of the services presented here are operated by NASA, ESA, CDS, and other scientific organisations. They open on external websites and may change their interfaces or functionality independently of E-TERRA.
