There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

Jupiter's largest moons, known as the Galilean moons, are Io, Europa, Ganymede, and Callisto. These moons were ... even larger than the planet Mercury. It has a subsurface ocean that may contain ...

The fifth planet will not only reach ... Known for its Great Red Spot, Jupiter also boasts four bright, fast-moving moons: giant Ganymede, cratered Callisto, volcanic Io, and icy Europa.

The not-quite-full moon will pass within about five degrees of Jupiter, making its closest approach to the planet at 4:45 p.m. EST (2145 GMT). (Your clenched fist held at arm's length covers about ...

His target was the planet Jupiter – an object brighter ... The four Galilean moons – Io, Europa, Ganymede and Callisto – are now four of over 90 moons of Jupiter that are officially ...

Whether you're an experienced astronomer or simply enjoy gazing at the night sky, this January offers a rare opportunity to witness a dazzling array of planets.

astronomers have captured a volcanic event on Jupiter's moon Io at a ... WASP-193b, a Giant Planet With a Density Similar to That of Cotton Candy May 14, 2024 — Astronomers have just discovered ...