What Is Hydrogen-alpha?
Hydrogen alpha is a specific wavelength of visible light at 656.281 nm. A hydrogen atom emits a photon at this specific wavelength when its electron…
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Sun
How Solar Flares Work?
Explore how Sun powers itself and find out how solar flare works. Also, find out the difference between a solar flare and a Coronal Mass…
Why Sun Doesn’t Use All Its Hydrogen at Once?
Explore the sun’s core and learn why the sun never fuses all the hydrogen at once. Also, find out how it balances the rate of…
How to Measure the Radius and Circumference of the Earth?
Measure the radius and circumference of the earth by using sticks, simple geometry, and explore how you can calculate your latitude from the data.