Planets Stars Nebulas Apr 2026

Dense regions within a nebula can collapse under gravity to form new stars; these are often called "stellar nurseries".

These stars end their lives in violent supernova explosions, enriching the surrounding space with heavy elements that eventually form new nebulae and planets. 3. Planets: The Building Blocks of Systems PLANETS STARS NEBULAS

Stars like our Sun eventually expand into red giants before shedding their outer layers to form a Planetary Nebula . Dense regions within a nebula can collapse under

Some nebulae are formed from the gas and dust ejected by dying stars, such as Supernova Remnants . 2. Stars: The Engines of the Universe Planets: The Building Blocks of Systems Stars like

This report provides a concise overview of the celestial lifecycle, focusing on the interconnected nature of , Stars , and Nebulae . 1. Nebulae: The Cosmic Nurseries