Curated category
Planets of the Solar System
- Mercury (planet)The MUL.APIN tablets from the 14th century BC contain the earliest known records of Mercury. An Assyrian astronomer wrote about this planet using cuneiform…
- VENUSVenus is the second planet from the Sun, yet it shares a striking physical resemblance to Earth. It has a diameter of 12,104 kilometers, which is only about…
- MarsMars formed approximately 4.5 billion years ago alongside the other planets in our solar system. Scientists theorize that this creation resulted from a…
- EarthThe Modern English word Earth developed from an Old English noun most often spelled ertha. This term has cognates in every Germanic language, tracing back to…
- Definition of planetGreek astronomers in antiquity used the term planetes to describe star-like objects that moved across the sky over the course of a year.