galactic astronomy

基本解釋

Astronomy focuses on the planetary. galactic. and stellar phenomena occurring in outer space.
天文學(xué)專業(yè)主要研究星星和星系以及外層空間中恒星的現(xiàn)象。
In fact, astronomy cannot pinpoint such a "galactic alignment" to within a year, much less a day.
事實上，天文學(xué)還不能在一年的誤差內(nèi)計算這一“銀河連珠”事件發(fā)生的時間，更不用說精確到某一天了。
Quipped science writer Ian O'Neill on his astronomy blog Astroengine, "Life is grim on the galactic rim."
科普作家伊恩·奧尼爾在自己的天文博客Astroengine中一語雙關(guān)地寫道：“在銀河系邊緣，生活是嚴(yán)酷的?！?/li>