Stellar Evolution Part 2: Main Sequence Stars

Stellar Evolution Part 2: Main Sequence Stars

When a protostar’s core reaches 15,000,000 degrees Celsius, nuclear fusion begins in its core. This ignition marks the star’s birth as it becomes a main sequence star. Main sequence stars have a ton of variety. They range from cooler red stars to hotly burning blue ones, and their size can range from a fraction of

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Explore Hydrogen: WARNING DANGER!

Explore Hydrogen: WARNING DANGER!

Hydrogen: it’s the most common element in our universe, the main ingredient in stellar fusion, and the lightest element of them all. We love to play with hydrogen in the classroom because it’s highly combustible, which means it’s great for explosions! In this experiment — which is not one we recommend for home DIY —

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