Explanation: Delicate in appearance, these filaments of shocked, glowing gas, draped in planet Earth's sky toward the constellation of Cygnus, make up the Veil Nebula.
解释：从地球仰望星空，笼罩在天鹅座周围的那些外观精美、如细丝般令人震撼的发光气体，形成了面纱星云。
The earth developed from a planetary embryo in the solar nebula into the third planet of our solar system.
地球在早期的太阳星云中由行星胎成长为太阳系的第三颗行星。
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