Jupiter’s moon Io is the most volcanically active world in the Solar System. The gravitational tug-of-war between Jupiter and its other large moons squeezes Io so that its interior is molten.

Bolton added that each flyby provided data on the highly active moon that went beyond expectations ... “The data supports that this is the most intense volcanic eruption ever recorded on Io,” he was ...

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight. The next new moon will occur on Thursday, Feb.

What is the moon phase today? Today, Jan. 29, 2025, the moon is 30 days old, in the New Moon phase of its lunar cycle. It is 0% illuminated. Moon phases reveal the passage of time in the night sky.

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

Io is extremely close to the mammoth Jupiter Its elliptical orbit whips it around Jupiter once every 42.5 hours Jupiter's gravity leads to the moon being relentlessly squeezed Nasa's Juno spacecraft, ...

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How the first moon landing was saved. The story of the people who made Apollo 11 happen ...