This is a Markdown test document to demonstrate various Markdown elements including code blocks, mathematical formulas, tables, and flowcharts.
Code Block
Here is an example of a code block:
def hello_world():
print("Hello, world!")
hello_world()$$
E = mc^2
$$
Introduction
Earth, the third planet from the Sun and the only known celestial body to harbor life, is a unique and fascinating world. With its vast oceans, diverse ecosystems, and dynamic atmosphere, Earth stands out in the stark vastness of space. This article explores the various aspects that make our planet special.
The Blue Marble
Often referred to as the “Blue Marble,” Earth is predominantly covered by oceans, which constitute about 71% of its surface. These vast bodies of water play a crucial role in maintaining the planet’s climate and supporting a rich diversity of life.
A World of Diversity
Earth’s biodiversity is unparalleled, with millions of known species and many more yet to be discovered. From the depths of the ocean to the peaks of the highest mountains, life on Earth has adapted to thrive in an array of environments.
The Atmosphere: Earth’s Protective Shield
The Earth’s atmosphere is a complex layer of gases that not only supports life but also protects the planet from harmful solar radiation and cosmic debris. This delicate blanket is composed of nitrogen, oxygen, and trace amounts of other gases.