Quantcast

Aitken Reference Libraries

Page 1 of about 1 Articles
Aitken Robert Grant
2009-03-03 21:11:15

Robert Grant Aitken (December 31, 1864 "“ October 29, 1951) was an American inventor born in Jackson, CA. Aitken worked at the Lick Observatory in California where he systematically studied double stars, measuring their positions and calculating their orbits around one another. He methodically created a large catalog of such stars, which was published in 1932. It was entitled "˜New...

Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'karpos', fruit.
Related