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Question: What is a light-year and how is it used? Answer: A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More p recisely, one light-year is equal to 9,500,000,000,000 kilometers ...
后面的故事我们就不说了，但这部《光年正传》（Lightyear）确实与1995年有关。 这个情怀卖得确实有点儿硬，而就我个人的观感来说： 我不太理解安迪看了这部电影，会去买一个巴斯光年的玩具。
全球首款能够量产的太阳能汽车宣告“夭折”。. 近日，总部位于荷兰的太阳能初创企业光年汽车（Lightyear）宣布，负责首款产品“光年0号”（Lightyear 0）太阳能汽车生产的Atlas Technologies B.V.公司申请破产，该请求目前已经得到当地法院的批准。. “很抱歉 ...
Answer: Yes, the Sun - in fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr. But even at that high rate, it still takes us about 230 million years to make one complete orbit around the Milky Way! The Milky Way is a spiral galaxy.
在《光年正传》之前巴斯光年的故事是有TV动画《Buzz Lightyear TV Series》巴斯光年TV动画片头曲OP_哔哩哔哩_bilibili和电影动画《Buzz Lightyear of Star Command 》【中文字幕】巴斯光年电影：星际战士大冒险_哔哩哔哩bilibili的，两者都是二维动画。比起《光年正传》这两部才更像安迪当初看的作品。
Lightyear 这个新品牌大概还拿不到这样一个程度的溢价。. Lightyear 0 搭载5平方米太阳能电池板，60kWh电池。. 普通的太阳能电池板发电效率目前按照每平方米0.14~0.15kW考虑，5平方米电池每小时发电量大概是0.7度。. 电动车电耗按照百公里9~11度电考虑，一小时的发电 ...
