English Dharam Vir Ahluwalia Cited by user Dharam Vir Ahluwalia on 21 Sep 2020 Dharam Vir Ahluwalia (born October 20, 1952 in Fatehpur Kurukshetra, India) is an Indian-born theoretical physicist who has made significant contributions to physics of…
Chinese 恆星演化 Cited by user 凌雲 on 09 Jun 2019 恆星演化是恆星隨著時間的推移而變化的過程。根據恆星的質量，它的壽命可以從質量最大恆星的幾百萬年到質量最小恆星的萬億年，這是比宇宙年齡還要長許多的時間。這張表格顯示恆星壽命與其質量的關聯性。 所有的恆星都誕生於氣體和塵埃雲，也就是通常所說的星雲或分子雲。纖維狀結構遍布在分子雲中，致密纖維狀結構會碎裂成星前雲核，也就是恒星的前身。纖維狀結構的具…
English Stellar evolution Cited by user Lithopsian on 01 Feb 2018 Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few million years for…