Wikipedia:Main Page history/2021 January 8
From today's featured articleSagitta is a dim but distinctive constellation in the northern sky. Its name is Latin for 'arrow', and it should not be confused with the larger constellation Sagittarius, the archer. It was included among the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations defined by the International Astronomical Union. Although it dates from antiquity, Sagitta has no star brighter than 3rd magnitude and has the third-smallest area of any constellation. Gamma Sagittae is the constellation's brightest star, with an apparent magnitude of 3.47. Delta, Epsilon, Zeta and Theta Sagittae are each multiple stars whose components can be seen in small telescopes. Two star systems in Sagitta have Jupiter-like planets, while a third—15 Sagittae—has a brown dwarf companion. V Sagittae is a cataclysmic variable—a binary star system that is expected to go nova and briefly become one of the brightest stars in our sky around the year 2083. (Full article...)
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The discography of Lecrae, an American Christian hip hop artist, consists of ten studio albums, one of which was a collaborative; three mixtapes; one extended play; eighty-six singles, including forty-five as a featured performer; fifty-two music videos, including twenty-three as a featured performer; and eighty guest and other appearances. His studio albums consist of Real Talk (2004), After the Music Stops (2006), Rebel (2008), Rehab (2010), Rehab: The Overdose (2011), Gravity (2012), Anomaly (2014), All Things Work Together (2017), Let the Trap Say Amen (2018) – a collaborative album with Zaytoven, and Restoration (2020). His mixtapes consist of Church Clothes, Church Clothes 2, and Church Clothes 3. Gravity debuted at number three on the Billboard 200, and Anomaly debuted at number one. As of February 2020, he has sold over three million albums. Anomaly is certified gold by the Recording Industry Association of America, as are his singles "All I Need Is You" and "Blessings" (featuring Ty Dolla Sign). The single "I'll Find You" (featuring Tori Kelly) is certified platinum. (Full list...)
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Dallol is a cinder-cone volcano in the Danakil Depression, northeast of the Erta Ale Range in Ethiopia. The area lies up to 120 m (390 ft) below sea level, and has been repeatedly flooded in the past when waters from the Red Sea have inundated it. The Danakil Depression is one of the hottest places on Earth, and the evaporation of seawater after these flooding episodes produced thick deposits of salt, as seen in this landscape. The deposits at Dallol include significant quantities of the carbonate, sulfate and chloride salts of sodium, potassium, calcium and magnesium. Hot springs discharge brine to form the blueish ponds, and small, temporary geysers produce cones of salt. Photograph credit: Alexander Savin
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