This illustration shows the white dwarf WDJ0914+1914 and its Neptune-like exoplanet. Since the icy giant orbits the hot white dwarf at close range, the extreme ultraviolet radiation from the star strips away the planet’s atmosphere. While most of this stripped...
The world-famous James Webb Space Telescope has successfully reached 800,000 km from Earth. The spacecraft deployed its sunshade last week; But the engineers delayed the alignment of the covers, which stretched the five layers to their full position. This is...
You put some zinc into the hydrochloric acid in a test tube. The formation of hydrogen gas can be seen. That's the chemistry you know. Zn + HCl → ZnCl2 + H2 In 1766, Henry Cavendish identified this element and...
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