dwarf star
US /dwɔrf stɑr/
・UK /dwɔ:f stɑ:/
A2 初級
n.名詞矮星
Our sun is a dwarf star.
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介紹一下光速。由太陽驅動 (Introducing Light Speed: Powered by the Sun)
05:43
- We know that it's a yellow dwarf star
我們知道它是一顆黃矮星。
恆星的生與死。白矮星、超新星、中子星和黑洞。 (The Life and Death of Stars: White Dwarfs, Supernovae, Neutron Stars, and Black Holes)
16:36
- carbon or oxygen nuclei, and it will contract further until we are left with a white dwarf star.
現在對於一個高質量的恆星來說 ,比我們的太陽大得多,事情就完全不同了。
如果太陽變大了兩倍會怎麼樣?? (What If The Sun Doubled In Mass?)
03:32
- These planets orbit an ultra-cool, very small dwarf star only 8 percent as massive as the sun.
這些行星圍繞著一顆超冷、非常小的矮星運行,其質量只有太陽的 8%。
宇宙的浪漫:我們其實都是星塵?(The Life Cycle of Stars)
05:00
- A white dwarf star is the dead, remnant core of a star like the sun at the end of its life.
如太陽一般的星星在生命末期死亡時,將會只剩下核心,稱為白矮星。
如何贏得星際戰爭 (How to Win an Interstellar War)
11:05
- Meet our two players, a yellow dwarf star system home to a species of primates.
讓我們來認識一下我們的兩位玩家--一個居住著靈長類動物的黃矮星系統。
- They reside on a planet around the orange dwarf star HD 40307, 42 light-years away.
它們居住在 42 光年外的橙色矮星 HD 40307 周圍的一顆行星上。
這就是未來 100 萬億年將發生的事情 (This Is What Will Happen in the Next 100 Trillion Years)
08:29
- But after 8 billion years, the sun will have finally become a white dwarf star equal to 54% of its current mass.
但 80 億年後,太陽將最終變成一顆白矮星,其品質相當於現在的 54%。
發現類似地球的行星!你需要知道什麼?你需要知道的 (Earth-Like Planet Discovered! What You Need To Know)
04:22
- is a red dwarf star, so it's much cooler and smaller than our sun.
是一個紅矮星,所以相較我們的太陽,小很多也沒有那麼熱