<p>On Jan. 31, 1783, William Herschel was creating a catalog of double stars when he spotted 40 Eridani B. This dim white object was part of a triple-star system, and was the first white dwarf ever spotted. On Jan. 31, 1862, telescope-maker Alvan Graham Clark sighted the second: Sirius B. Its existence had been predicted<a class="more-link" href="https://www.astronomy.com/today-in-the-history-of-astronomy/jan-31-1783-and-1862-pioneering-white-dwarf-discoveries/">Continue reading <span class="screen-reader-text">"Jan. 31, 1783 and 1862: Pioneering white dwarf discoveries"</span></a></p> <p>The post <a href="https://www.astronomy.com/today-in-the-history-of-astronomy/jan-31-1783-and-1862-pioneering-white-dwarf-discoveries/">Jan. 31, 1783 and 1862: Pioneering white dwarf discoveries</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>

On Jan. 31, 1783, William Herschel was creating a catalog of double stars when he spotted 40 Eridani B. This dim white object was part of a triple-star system, and was the first white dwarf ever spotted. On Jan. 31, 1862, telescope-maker Alvan Graham Clark sighted the second: Sirius B. Its existence had been predictedContinue reading “Jan. 31, 1783 and 1862: Pioneering white dwarf discoveries”

The post Jan. 31, 1783 and 1862: Pioneering white dwarf discoveries appeared first on Astronomy Magazine.