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earth.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<link rel="stylesheet" type="text/css" href="../styles/index.css" />
<link rel="stylesheet" type="text/css" href="../styles/background.css" />
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Dosis:[email protected]&family=Orbitron:[email protected]&display=swap"
rel="stylesheet"
/>
</head>
<body>
<aside class="solar-system">
<section class="space">
<article class="planet-orbit">
<figure class="planet-square">
<div class="sun"></div>
<div class="ring-sun"></div>
<div class="orbit-sun">
<div class="moon-sun"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="mercury"></div>
<div class="ring-mercury"></div>
<div class="orbit-mercury">
<div class="moon-mercury"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="venus"></div>
<div class="ring-venus"></div>
<div class="orbit-venus">
<div class="moon-venus"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="earth"></div>
<div class="ring-earth"></div>
<div class="orbit-earth">
<div class="moon-earth"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="mars"></div>
<div class="ring-mars"></div>
<div class="orbit-mars">
<div class="moon-mars"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="jupiter"></div>
<div class="ring-jupiter"></div>
<div class="orbit-jupiter">
<div class="moon-jupiter"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="saturn"></div>
<div class="ring-saturn"></div>
<div class="orbit-saturn">
<div class="moon-saturn"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="uranus"></div>
<div class="ring-uranus"></div>
<div class="orbit-uranus">
<div class="moon-uranus"></div>
</div>
</figure>
</article>
<article class="planet-orbit">
<figure class="planet-square">
<div class="neptune"></div>
<div class="ring-neptune"></div>
<div class="orbit-neptune">
<div class="moon-neptune"></div>
</div>
</figure>
</article>
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</section>
</aside>
<main class="page-content">
<header>
<nav>
<ul>
<li><a href="../index.html">Home</a></li>
<li><a href="./sun.html">The sun</a></li>
<li class="dropdown">
<span>The planets</span>
<section class="dropdown-content">
<a href="./mercury.html">Mercury</a>
<a href="./venus.html">Venus</a>
<a href="./earth.html">Earth</a>
<a href="./mars.html">Mars</a>
<a href="./jupiter.html">Jupiter</a>
<a href="./saturn.html">Saturn</a>
<a href="./uranus.html">Uranus</a>
<a href="./neptune.html">Neptune</a>
</section>
</li>
</ul>
</nav>
</header>
<main class="articles-content">
<h1>Earth: The Blue Marble</h1>
<article class="space-article">
<h1>What is it?</h1>
<p>
Earth stands out as a vibrant blue and green sphere when viewed from
space, owing to its vast oceans and continents covered with abundant
vegetation. It is the third planet from the Sun and the only world
where conditions have precisely aligned to support a complex
ecosystem.
</p>
</article>
<article class="space-article">
<h1>Characteristics of Earth</h1>
<p>
<span class="highlight">Life-Supporting Atmosphere: </span>
Earth's atmosphere is a critical layer that protects and sustains
life. Composed of 78% nitrogen, 21% oxygen, and trace amounts of
other gases, including carbon dioxide, argon, and water vapor, this
composition is crucial for life as it provides breathable air,
regulates temperature, and protects organisms from solar radiation.
</p>
<p>
<span class="highlight">Hydrosphere: </span>
About 71% of Earth's surface is covered by water, primarily oceans
but also lakes, rivers, and other bodies. This abundance of water is
vital for all known forms of life and influences the planet's
climate and weather patterns.
</p>
<p>
<span class="highlight">Biodiversity: </span>
Earth supports an incredible range of biodiversity, from microscopic
bacteria to large mammals and complex plants, across varied
ecosystems from tropical rainforests to arctic tundras. This
biodiversity is crucial for ecological stability and provides
significant resources for human society.
</p>
</article>
<article class="space-article">
<h1>Interesting Facts about Earth</h1>
<p>
<span class="highlight">Tectonic Activity: </span>
Earth is geologically active, with plate tectonics driving the
creation of mountains, earthquakes, and volcanoes. This dynamic
geology not only shapes the planet's surface but also recycles
nutrients through the ecosystem, supporting various life forms.
</p>
<p>
<span class="highlight">Magnetic Field: </span>
Earth generates a strong magnetic field, which shields the planet
from the solar wind, a stream of charged particles emitted by the
Sun. Without this magnetic field, Earth's atmosphere would be
stripped away, and life as we know it would not be possible.
</p>
<p>
<span class="highlight">Orbital and Rotational Dynamics: </span>
Earth's rotation axis is tilted about 23.5 degrees relative to its
orbital plane around the Sun, leading to the seasonal changes
experienced by many regions on the planet.
</p>
</article>
<article class="space-article">
<h1>Technical Facts about Earth</h1>
<p>
<span class="highlight">Diameter: </span>
Approximately 12,742 kilometers (7,918 miles)
</p>
<p>
<span class="highlight">Orbit: </span>
Earth orbits the Sun at an average distance of about 150 million
kilometers (93 million miles) and takes about 365.25 days to
complete one orbit.
</p>
<p>
<span class="highlight">Rotation: </span>
The planet rotates on its axis every 23.9 hours, defining the length
of a day.
</p>
<p>
<span class="highlight">Gravity: </span>
Provides a surface acceleration of about 9.81 m/s².
</p>
<p>
<span class="highlight">Atmosphere: </span>
Predominantly nitrogen and oxygen, with layers including the
troposphere (where weather occurs), stratosphere, mesosphere,
thermosphere, and exosphere extending up to 10,000 km from the
surface.
</p>
</article>
</main>
</main>
</body>
</html>