Facts of Univers

The universe is a vast and mysterious space that contains everything we know, including galaxies, stars, planets, and all forms of matter and energy. Scientists believe the universe began about **13.8 billion years ago** with the **Big Bang**, and since then it has been continuously expanding. The observable universe is incredibly large, measuring about **93 billion light-years across**, and it contains billions of galaxies, each with millions or even billions of stats.

Friday, May 22, 2026

Jupiter

Jupiter

Jupiter is the largest planet in our solar system and the fifth planet from the Sun. It is a giant gas planet made mostly of hydrogen and helium.

Quick Facts

Diameter: about 139,820 km
Moons: more than 95 known moons
Famous moons:
- Europa
- Ganymede
- Io
- Callisto
Day length: about 10 hours
Year length: about 12 Earth years
Great Red Spot: a giant storm larger than Earth

Interesting Things About Jupiter

Jupiter has very strong gravity and a huge magnetic field.
It acts like a “space shield,” attracting many asteroids and comets.
The planet has faint rings, though not as famous as Saturn’s.
Europa may have an underground ocean that could possibly support life.

Atmosphere

Jupiter’s atmosphere has colorful cloud bands caused by fast winds and storms. Wind speeds can exceed 600 km/h.

Space Missions

Important missions that studied Jupiter:

Juno — currently orbiting Jupiter
Galileo — studied Jupiter and its moons
Voyager 1 and Voyager 2 — flew past Jupiter in 1979

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