What’s the sun made of? – Astronomy – Science
The sun from space The Sun is a star, just like billions of other stars in the universe. Our Sun probably formed a little more than four and a half billion years [...]
The sun from space The Sun is a star, just like billions of other stars in the universe. Our Sun probably formed a little more than four and a half billion years [...]
Gottfried Leibniz, a German mathematician - Enlightenment science What set off the Enlightenment? By 1650 AD, Europeans understood Islamic algebra and trigonometry better. Then they combined that with the exciting invention of the telescope and microscope (thanks to [...]
A model of the amino acid molecule glycine (red is oxygen, black is carbon, yellow is hydrogen, and blue is nitrogen atoms) What are amino acids? Amino acids are molecules made [...]
A diagram of a hydrogen atom Hydrogen is the simplest kind of atom Hydrogen is the simplest kind of atom, and in the very earliest days after the Big Bang [...]
A model of a methane molecule - the simplest of hydrocarbons A kind of molecule Hydrocarbons are molecules. They are made out of hydrogen atoms and carbon atoms. Methane is [...]