Interesting Facts About Mercury 2
07 Jun, 2024
Level: Intermediate
Total vocabularies: 139
Minutes to read: 2
Topic: Space
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Did you know that Mercury is the closest planet to the Sun ?
Because it's so close, Mercury orbits the Sun faster than any other planet .
A calendar showing 88 days marked off to represent a year on Mercury
A year on Mercury is just 88 Earth days long!
This means if you lived on Mercury , you would have a birthday every 88 days.
Mercury is also the smallest planet in our solar system.
An illustration comparing the size of Mercury, the Moon, and Earth
It's slightly larger than Earth's moon but way smaller than Earth .
Despite its small size, Mercury has a very dense iron core .
This core makes up about 85% of the planet's radius .
A close-up image of Mercury’s cratered surface
The surface of Mercury is covered with craters .
These craters are from impacts with comets and asteroids over billions of years.
One of the largest craters is called Caloris Basin .
A scale comparison of Caloris Basin with recognizable landmarks like the Grand Canyon
It is about 960 miles (1550 kilometers) wide!
Mercury doesn't have an atmosphere like Earth does.
This means there's no air to breathe and no weather like rain or snow.
A thermometer showing high and low extremes
During the day, it can get as hot as 800 degrees Fahrenheit (430 degrees Celsius).
At night, it can drop to -290 degrees Fahrenheit (-180 degrees Celsius).
A person in a space suit struggling with the harsh conditions on Mercury
Because of these extremes, it would be very hard to live on Mercury .
Mercury has been visited by spacecraft , like NASA's MESSENGER .
These missions help us learn more about this fascinating planet .
An image of someone looking at the stars with a telescope, imagining Mercury’s journey around the Sun
So, the next time you look at the night sky, think about how Mercury is zooming around the Sun , full of surprises!