Space Weather Tracker
Switch to Day Mode

star

Sun

About Sun

The Sun is the star at the center of our Solar System and the source of nearly all light and energy on Earth. It is a nearly perfect ball of hot plasma, powered by nuclear fusion converting hydrogen into helium in its core. Its gravity holds every planet, moon, asteroid and comet in orbit.

Age
4.6 billion years
Mass
1.989 × 10^30 kg
Type
G-type main-sequence (G2V)
Diameter
1,391,000 km

Cosmic Explorer Navigation Matrix

Automated internal linking across every layer of the tracker — no orphan pages.

Cosmic AI Explorer

Try asking:

Optional: Use Custom Anthropic Key

Stored only in your browser's local storage and sent directly to Anthropic, not through this site's server. Anything in local storage can be read by other scripts running on this page — only paste a key here if you're comfortable with that tradeoff.