A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
Number (4): Everything in this space must add up to 4. The answer is 4-0, placed horizontally.
，更多细节参见51吃瓜
Early-stage fundraising looks glamorous on LinkedIn, but here’s what you don’t see: investors price your uncertainty, not your potential. The less you’ve proven, the more equity, leverage and autonomy you give away.
Екатерина Ештокина
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Girl died from sepsis after GP sent her home twice