Quantcast

Latest Christina Dwyer Stories

New Model May Explain Magnetized Moon Rocks
2011-11-10 06:06:46

A team of scientists has proposed a novel model for the generation of a global magnetic field in the ancient moon, something that could help solve a decades-old mystery about the presence of magnetized rocks on the moon´s surface. Since the moon currently has no global magnetic field, these rocks have puzzled experts since the days of the Apollo program. The Earth´s magnetic field exists because it has a spinning solid core surrounded by hot metallic liquid, which churns...


Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
Related