Mercury, the planet closest to the Sun, has a year only 88 Earth days long. Credit: NASA Mercury spins on its axis very slowly and completes one rotation every 59 Earth days.

The planet Mercury may be hot, but it appears to be cooling down. That's the conclusion of a new study that looked for the kinds of features on Mercury that can form as the surfaces of planets ...

But because of its fast orbit, one Mercury year takes 88 Earth days. This means that two years on Mercury lasts for only three days. The planet's sunrise would be unusual to us on Earth. Due to its ...

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, ...

THE recent radar measurements of Mercury indicate that the period of rotation of the planet is 59 ± 5 days1. This result is in complete disagreement with the previously quoted value of 88 days ...

Mercury revolves around the sun every 88 days and takes 59 days to complete one rotation. Slow rotation coupled with its rapid revolution makes for double sunrises from some parts of the planet.

Mercury orbits the Sun at an average distance of about 57.9 million kilometers (36 million miles). It's the innermost planet in our solar system, i.e. the planet closest to the sun.

DURING the recent inferior conjunction of the planet Mercury in April, 1965, radar observations were obtained by the Arecibo Ionospheric Observatory in Puerto Rico (operated by Cornell University ...