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2013超級月亮 23日登場
Jun 22nd 2013, 03:42

中央社 – 

(中央社洛杉磯21日綜合外電報導)2013年最大、最亮滿月「超級月亮」本週末登場。美東時間23日早上7時(台灣時間晚上7時),月亮會運行到最接近地球的位置,兩者僅相差22萬1824英里。

32分鐘後,月亮會正式「滿月」,比平常大個14%。儘管肉眼看不出差異,天文學家說,這還是值得民眾抬頭一望的天文現象。

有些民眾或許會覺得超級月亮比平常更大更明亮,不過這都是視覺假象。在樹木和建築物旁邊,月亮會顯得較大。

如同每一年的超級月亮,氣象學家預料23日的天文現象會導致漲潮,但是影響不大。

科學家也出面否認超級月亮會引起更多犯罪和怪異行為,他們說,這種說法沒有科學根據,只是瘋言瘋語。(譯者:中央社蔡佳敏)1020622

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Yahoo!奇摩知識+ - 分類問答 - 電腦網路 - 發問中
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gonav DT100如何更新
Jun 22nd 2013, 15:06

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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
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我需要很科學知識的大大
Jun 22nd 2013, 16:37

請問大大
如果我要在一般寶特瓶的瓶子裡產生推力讓瓶蓋可以從瓶口射出去
我應該要用甚麼辦法或原理?
材料跟做法可以順便告訴我嗎?
材料最好不要太貴(差不多300以內)
做法也不要太複雜(我才國一)
我在想可以用汽水的原理嗎?
如果我想的這個原理材料跟做法不會太貴跟複雜
或有更好的方法可以告訴我嗎?
感恩大大的協助

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