| ccas.us | |
| 网站标题： | * to the Chester County Astronomical Society |
| 网站简介： | The Chester County Astronomical Society is an organization devoted to educating the public through monthly meetings and observing sessions. |
| 关键字： | astronomy Southeastern PA Organizations education science telescopes stars planets solar system galaxies universe amateur astronomers star parties planetarium sponsored astronomy classes |
| SkokieValleyAstronomers.org | |
| 网站标题： | S*ie Valley Astronomers: * |
| 网站简介： | S*ieValleyAstronomers.org -- S*ie Valley Astronomers |
| 关键字： | valley astronomers amateur astronomy club hobby meetings events |
| astras-stargate.com | |
| 网站标题： | Astra&*39;s Stargate |
| 网站简介： | Astras Star Gate is an interface for the web surfer to the world of astronomy, space exploration, telescope making, women astronomers and other topics of interest to amateur astronomers as well as links to related subjects by Dawn Jenkins |
| 关键字： | Astras Star Gate astronomy women astronomers ancient astronomy near earth asteroids space development space agencies Maya astronomy Maya Astronomy Page space exploration observing telescope |
| cedar-astronomers.org | |
| 网站标题： | * |
| 网站简介： | Cedar Amateur Astronomers |
| 关键字： | cedar amateur astronomers cedar rapids iowa city observatory astronomy astronomical league night sky network caa public night stargazing |
| Archaeoastronomy.com | |
| 网站标题： | Archaeoastronomy pinpoints equinox, solstice and cross quarter *s throughout the year |
| 网站简介： | ancient skywatchers regulated their calendars and tracked days with celestial alignments, often sunrises and sunsets with targetted shadow and light features on equinoxes, solstices and cross quarters |
| 关键字： | archaeoastronomy earth clock astronomy archaeology equinox solstice solar alignment orbit science seasons sky sun stars planets Stonehenge ancient astronomers sky culture worship |
| swya.org | |
| 网站标题： | Scientific Writing for Young Astronomers |
| 网站简介： | Scientific Writing for Young Astronomers, an Astronomy and Astrophysics School |
| 关键字： | Scientific Writing for Young Astronomers Astronomy and Astrophysics School EDP Sciences |
1/1 [1]