Latest Center for High Angular Resolution Astronomy Stories
Strong darkening observed around the equator of Vega suggests that the fifth brightest star in Earthâ€™s sky has a huge temperature difference of 4,000 degrees Fahrenheit from its cool equatorial region to its hot poles.
Word of the Day
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.