 |
Astronomical Measurement
Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved. More on Astronomical Measurement from Infoplease:
- John Dollond - Dollond, John Dollond, John , 1706–61, English optician and inventor. A silk weaver, he ...
- Conversion Calculator - Interactive calculator used to convert between various units of measurement. Area, volume, length/distance, cooking, time, and more.
- day - day day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, ...
- equatorial coordinate system - equatorial coordinate system equatorial coordinate system, the most commonly used astronomical ...
- Sedna: Planetoid or Planet? - Sedna: Planetoid or Planet? On March 15, 2004, astronomers confirmed the discovery of the most ...
|
|