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Astrological Signs

Ancient Greek Star Signs The Zodiac refers to a region of the sky visible around the Earth at eight degrees North or South of the sun's visible orbit (called the ecliptic). This is based on the…

Science News, 2011

Major science news stories, from the Gulf of Mexico oil spill to the Chilean miners trapped underground by Catherine McNiff Two scientists checking equipment in the central tube of the Large…

The Names of the Days of the Week

The mythic roots of some common words There are two basic origins for weekday names. In many languages, like French and Spanish, the days are named for the planets. In Japan, for instance, the days…

Science News: Curiosity's Mission to Mars

The NASA rover is looking for signs of life on the Red Planet by Catherine McNiff Curiosity at Gale Crater on Mars where the first scoop sampling occurred. Source…

Our Top Stories for the Week of August 22, 2022

It’s been a busy week, from violence around the world to discoveries in space. Who has time to keep track of it all? That’s why we’ve boiled it all down to our top stories of the week.  …

Mercator, Gerardus

(Encyclopedia) Mercator, GerardusMercator, Gerardusjərärˈdəs mûrkāˈtər [key], Latin form of Gerhard KremerGerhard Kremergārˈhärt krāˈmər [key], 1512–94, Flemish geographer, mathematician, and…

Major Planets of the Solar System (table)

(Encyclopedia) Major Planets of the Solar System Planet Distance from the sun (AU) Period of revolution Period of rotation Mass (earth=1) Diameter (earth=1) Number of confirmed satellites…

neptunium

(Encyclopedia) neptuniumneptuniumnĕpt&oomacr;ˈnēəm [key], radioactive chemical element; symbol Np; at. no. 93; mass number of most stable isotope 237; m.p. about 640℃; b.p. 3,902℃ (estimated); sp…