Measure greenhouse gases from space

Directly bonded fused silica GRISM (Prism + Grating) with grating at the inner surface. To attain the highest possible resolution, grating and prism structures are combined: prisms d...


Before you continue to YouTube

We use cookies and data to Deliver and maintain Google services Track outages and protect against spam, fraud, and abuse Measure audience engagement and site statistics to understa...


Soyuz TMA-19M landing

ESA astronaut Tim Peake, NASA astronaut Tim Kopra and commander Yuri Malenchenko landed in the steppe of Kazakhstan on Saturday, 18 June in their Soyuz TMA-19M spacecraft. The trio s...


Southern Tibetan Plateau

The Tibetan Plateau was created by continental collision some 55 million years ago when the north-moving Indian Plate collided with the Eurasian Plate, causing the land to crumple an...


What is fiber?

Most plant-based foods contain both soluble and insoluble fiber, but the amounts of each vary in different foods. A more recent animal study (opens in new tab) suggested that fiber m...


What are carbohydrates?

There are three macronutrients: carbohydrates, protein and fats , Smathers said. Carbohydrates are found in foods you know are good for you (vegetables) and ones you know are not (do...


Vitamin A: Sources & Benefits

This means it’s absorbed into the body with dietary fat, and then stored in body tissue for later use. You can also get vitamin A by consuming plant sources of beta-carotene – found ...


The gas giant Jupiter

Moons: The Jovian system currently includes 67 known moons. One storm, the Great red spot, has been raging since at least the late 1600s. In 1610, Galileo Galilei was the first astr...


The dwarf planet Quaoar

Artist’s impression of the Kuiper Belt Object and possible dwarf planet Quaoar. First observed in 2005 by Mike Brown and his team, the discovery of Eris overturned decades of astrono...