Our journey to know the Cosmos and our place within it starts right outside our windows, in the night sky. Get weekly reports on what's visible and learn

Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.

Current essential information about the planets. Click each planet to view full details. Legend of symbols: . Position of the Galilean satellites of Jupiter. A dedicated tool is available, with more.

Understanding the Context

The planets appear to move across the sky, against the background of the much more distant stars. Planets appear as bright or brighter than most stars, and unlike stars, they tend to glow.

Online 3D simulation of the Solar System and night sky in real-time - the Sun, planets, dwarf planets, comets, stars and constellations

This months episode showcases the stars and planets visible on April evenings. Well explore full-Moon quirks; spot Venus and Jupiter after sunset; learn about Gemini, the celestial twins;.

How to see 3 planets line up in a dramatic display in the April sky For several days this month, Saturn, Mars, and Mercury appear just degrees apart before sunriseclose enough to watch.

Key Insights

Discover the key dates to see every planet in 2026, including major conjunctions, oppositions and standout sky events.

Fri, 27 Mar 2026 Scientists discover alien space weather stations that could reveal habitable planets Wed, 25 Mar 2026 Astronomers solve 50-year mystery of a naked-eye stars extreme X-rays

By clicking and dragging the sky, you can view it from different angles. You can link directly to this view of the sky with this URL: An online planetarium from In-The-Sky.org, showing what stars and planets.