Поиск по: -
Поискать по всем серверам
На этой странице приведены все страницы, которые ссылаются на http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BC5AAD0A1-4E01-4A7A-97C7-4B624D06C8C5%7D. Показаны документы 1 - 1 из 1.
1. Fun with double and variable stars | Astronomy.com
... Tonight's Sky . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Fun with double and variable stars . Splitting tight double stars and tracking the brightness changes of variable stars are fun activities unimpeded by sky glow. ... Double stars . ... Like double stars, variable stars are not as adversely affected by light pollution as some other sky targets are. ... Pulsating variable stars actually expand and contract, like a beating heart. ...
[
Сохраненная копия
]
Ссылки http://www.astronomy.com/observing/get-to-know-the-night-sky/2006/12/fun-with-double-and-variable-stars -- 97.9 Кб -- 10.04.2016
Похожие документы
Похожие документы