Tru Physics

Tag: Stars

  • Planetary Nebula

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    The phrase “planetary nebula” is a bit of a misnomer as it doesn’t actually have anything to do with planets. Instead, planetary nebulae are fascinating and colorful astronomical objects, formed when stars similar to our Sun reach the end of their lives, showcasing the incredible artistry of the universe. Introduction to Planetary Nebulae Planetary Nebulae…

  • Jeans Instability

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    Introduction Jeans Instability is a fundamental concept in astrophysics that describes the condition under which a self-gravitating gas cloud will collapse under its own gravity to form a star. This process is named after the British physicist Sir James Jeans, who first derived the relevant equations in 1902. Basic Principle The basic idea behind Jeans…