In Depth | Mercury – NASA Solar System Exploration
The smallest planet in our solar system and nearest to the Sun, Mercury is only slightly larger than Earth's Moon. From the surface of Mercury, the Sun would appear more than three times as large as it does when viewed from Earth, and the sunlight would be as much as seven times brighter.
10 Need-to-Know Things About Mercury - NASA Solar System …
Mercury is the fastest planet in our solar system – traveling through space at nearly 29 miles (47 kilometers) per second. The closer a planet is to the Sun, the faster it travels. Since Mercury is the fastest planet and has the shortest distance to travel around the Sun, it has the shortest year of all the planets in our solar system – 88 ...
Planet Compare - NASA Solar System Exploration
Jan 9, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Mercury 3D Model - NASA Solar System Exploration
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Mercury Lander Mission Concept Study - NASA Solar System …
Jan 9, 2025 · The mission focuses on fundamental science questions that can be best, or only, achieved by surface operations such as determining Mercury''s bulk composition, the nature of the magnetic field, surface history, internal structure, and surface-solar wind interactions.
NASA Team Studies Middle-aged Sun by Tracking Motion of …
Jan 18, 2018 · NASA and MIT scientists analyzed subtle changes in Mercury’s motion to learn about the Sun and how its dynamics influence the planet’s orbit. The position of Mercury over time was determined from radio tracking data obtained while NASA’s MESSENGER mission was active. Credits: NASA's Goddard Space Flight Center
What is a Planet? | Planets – NASA Solar System Exploration
Pluto, discovered in 1930, was identified as the ninth planet. But Pluto is much smaller than Mercury and is even smaller than some of the planetary moons. It is unlike the terrestrial planets (Mercury, Venus, Earth, Mars), or the gas giants (Jupiter, Saturn), or …
Mercury By the Numbers – NASA Solar System Exploration
May 16, 2024 · Mercury is the closest planet to the Sun, and the smallest planet in our solar system - only slightly larger than Earth's Moon.
Mars By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.
BepiColombo Blasts Off to Investigate Mercury's Mysteries
Oct 20, 2018 · The ESA-JAXA BepiColombo mission to Mercury blasted off on an Ariane 5 from Europe's Spaceport in Kourou at 01:45:28 GMT on its exciting mission to study the mysteries of the Solar System's innermost planet.