| Mosaic of the Caloris basin based on photographs by the MESSENGER orbiter. | |
|---|---|
| Planet | Mercury |
| Coordinates | 30.5°N 189.8°WCoordinates:30.5°N 189.8°W |
How big is the biggest crater on Mercury?
Mercury does not have a thick atmosphere to protect it from space debris. The small planet is riddled with craters, but none as spectacular as the Caloris Basin. “Basin” is what geologists call craters larger than about 186 miles (300 kilometers) in diameter.
Which planet has the largest crater?
New analysis of Mars’ terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system. New analysis of Mars’ terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system.
What is the largest feature on Mercury?
Caloris Basin — Impact Site
This is one of the largest impact basins in the solar system and the largest feature on Mercury. The Caloris Basin is 1300 kilometers (810 miles) in diameter.
How many craters are on Mercury?
In this image alone, 763 craters have been identified and measured (shown in green) along with 189 hills (shown in yellow). Altogether, 491 frames were taken by the NAC to create high-resolution mosaics of Mercury’s surface.
What is the hottest planet?
Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet. The average temperatures of planets in our solar system are: Mercury – 800°F (430°C) during the day, -290°F (-180°C) at night. Venus – 880°F (471°C)
How long is a day on Mercury?
58d 15h 30m
What is the deepest crater?
Stretching 1,550 miles (2,500 kilometers) wide and 8 miles (13 km) deep, the South Pole-Aitken basin, as the tremendous hole is known to Earthlings, is the oldest and deepest crater on the moon, and one of the largest craters in the entire solar system.
What is the Moon’s biggest crater?
South Pole-Aitken basin is the largest crater on the Moon.
How big was the asteroid that killed the dinosaurs?
It was tens of miles wide and forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it’s known, was a plummeting asteroid or comet that left behind a crater off the coast of Mexico that spans 93 miles and goes 12 miles deep.
What is the color of mercury?
Mercury is a silvery-white poisonous metallic element. Mercury is liquid at room temperature and used in thermometers, barometers, fluorescent lighting, batteries and in the preparation of chemical pesticides. Mercury is also sometimes called quicksilver or liquid silver.
Why is Venus called Earth’s sister?
Venus is sometimes called Earth’s twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material). They are also neighboring planets.
Can Mercury support life?
Tough Place to Live
No evidence for life has been found on Mercury. Daytime Temperatures can reach 430 degrees Celsius (800 degrees Fahrenheit) and drop to -180 degrees Celsius (-290 degrees Fahrenheit) at night. It is unlikely life (as we know it) could survive on this planet.
What 2 planets have 53 moons?
Saturn has 53 moons that have been named.
Who named Mercury?
Mercury is one of the five classical planets visible with the naked eye and is named after the swift-footed Roman messenger god. It is not known exactly when the planet was first discovered – although it was first observed through telescopes in the seventeenth century by astronomers Galileo Galilei and Thomas Harriot.
Will Mercury crash into the sun?
Mercury, like the other planets, is in a stable orbit around the Sun. A planet’s orbit is a geodesic through curved spacetime. … So, Mercury is unlikely to fall into the Sun. In about 6 billion years time, the Sun will run out of Hydrogen fuel in its core.