Space Systems

A star constellation is a group of stars that form a recognizable pattern in the night sky. For thousands of years, people have named constellations,

Stars are massive spheres of hot, glowing gases that produce energy through nuclear fusion. The energy from stars, including our Sun, powers the solar

Stars are massive, glowing spheres of gas that generate energy through nuclear fusion. They vary in size, color, and temperature. Scientists classify

Stars are born from vast clouds of gas and dust in space called nebulae. Gravity pulls these particles together, causing them to heat up and form a de

The Sun is a massive ball of hot gases that provides light and heat to Earth. Scientists study its interior to understand how it produces energy and i

The Sun's outer layers are where light and energy travel from its interior into space. These layers regulate solar activity, including sunspots, flare

The Sun is a massive ball of hot gases with a constantly changing surface. It has several key features, including sunspots, solar flares, prominences,

Science and Engineering Practices (SEP): Developing and Using ModelsScientists create models to study gravity and its role in the solar system. These

The Sun and planets formed from a vast cloud of gas and dust known as the solar nebula. Around 4.6 billion years ago, gravity pulled this material tog

Earth formed approximately 4.6 billion years ago from a cloud of dust and gas left over after the Sun’s formation. Gravity pulled these particles toge

The Moon is Earth's only natural satellite and plays a vital role in stabilizing Earth's rotation and influencing tides. Scientists believe the Moon f

Earth’s atmosphere and oceans have changed significantly since the planet formed about 4.6 billion years ago. In its early history, Earth had a thick