| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,913,945,852 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
orrery |
Also found in: Dictionary/thesaurus, Wikipedia | 0.01 sec. |
|
|
orrery
a mechanical model of the solar system in which the planets can be moved at the correct relative velocities around the sun orrery [′ȯr·ər·ē] (astronomy) A model of the solar system equipped with mechanical devices to make the planets move at their correct relative velocities around the sun. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Mentioned in | ? | References in periodicals archive | ? | Encyclopedia browser | ? | Full browser | ? | |||
|---|---|---|---|---|---|---|---|---|---|---|
No references found | A sampling of topics: meeting IYA goals for diverse planetarium and science museum audiences, creating the Galileoscope for the IYA, computer animations as an astronomy educational tool, interacting with NASA astronomy in the IYA, and new ideas in orreries and planetary system simulations. orreries found in many science classrooms) may not engage students in the kind of concept-building activities necessary to promote the development of conceptual understandings (Dede, 2000). Orreries, mechanical models for planetary motion driven by clockwork, became at the start of the eighteenth century a way of presenting the crucial information of dimensional and temporal orbits. |
orreries |
ORR EUWG Orr's white Orr's-Bailey Yacht Club Orr, Bobby Orr, Bobby Orr, James Lawrence ORR/FSS ORRA ORRA Orrach ORRAM ORRAN ORRAP ORRAR ORRB ORRC ORRCA ORRCO ORRD ORRE Orreaga / Roncesvalles Orreaga / Roncesvalles Orrefors Orrell Park Baptist Church ORREP ORREQ orreries orreryorrery Orrery, Charles Boyle, 4th earl of Orrery, Roger Boyle, 1st earl of Orrey Orrey ORRF ORRHES orrho- orrho- ORRHS ORRI Orrice Orrice Orridge Business Sales Limited ORRIL Orrin Orrin Orrina ORRIO orris orris Orris Oil Orris pea Orris Root Orris Root Orris-root orrisroot orrisroot orrisroot | |||||||
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|