| 词条 | Stonyhurst disks |
| 释义 |
A Stonyhurst disk is a transparent circular grid with lines of longitude and latitude that can overlay a solar image to reference the positions of sunspots. This overlay system was originally created at the Stonyhurst College observatory.[1][2] References1. ^Stonyhurst Disk Animation {{webarchive|url=https://web.archive.org/web/20100310134612/http://eo.nso.edu/dasl/Lessons/Stony/index.htm |date=2010-03-10 }}, Data and Activities for Solar Learning, eo.nso.edu, {{physics-stub}}2. ^"Daily Sunspot Drawings at the 150-Foot Solar Tower", The 150-Foot Solar Tower at Mt. Wilson Observatory, UCLA 2 : Astronomical instruments|Stonyhurst College |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。