全球化是世界發展的大趨勢。隨著互聯網普及,通訊科技發展一日千里,促進了知識傳播和思想交流。知識全球化,科學研究也邁向全球化。從基礎科學研究到前沿技術發展,都有跨地域、跨領域協作的趨勢。細數近二十年的國際科學大奬,例如諾貝爾獎,和被譽為「東方諾貝爾獎」的邵逸夫獎,有不少都是由跨國科學家和研究團隊奪得的…

In Astronomy, conjunction refers to the observation that two astronomical objects are very close in the sky when observed from a specific object such as Earth. When a conjunction occurs, the locations of the two objects have either the same right ascension or the same ecliptic longitude as observed from Earth…