据cnn报道,ALE公司的“流星”将会是用独家成分制造的小金属球,在大气中燃烧时会发出橙色、蓝色或绿色的光。
Yet unlike ordinary meteors, which are usually around the size of a sand grain, ALE's fake shooting stars will be substantially bigger - around two centimeters in diameter (smaller than a ping-pong ball, but slightly larger than a marble) - and released in a cloud.
不过,不同的是,普通流星一般是沙粒那么大,而ALE的人造流星将会大得多——直径约为2厘米(比乒乓球小,但比弹珠略大些),而且是在云层中释放。
Experts have raised concerns that this could threaten low-orbiting spacecraft.
专家指出,这可能会威胁低轨道航天器的安全。这一论述引发了人们的担忧。
"I salute them for cleverness and for their technical expertise, but from an orbital debris standpoint, it's not a great idea," University of Michigan astronomer Patrick Seitzer told BuzzFeed.
密歇根大学的天文学家帕特里克·赛策尔告诉BuzzFeed网站说:“我欣赏他们的机智和专业技术,但从轨道碎片的角度看,这不是个好主意。”
Moving at high speeds brought on by Earth's gravity, a 2 centimeter-wide object is more than enough to shoot right through a metal spacecraft - and leave devastation in its wake.
当一个2厘米宽的物体在地球引力作用下高速运转时,产生的力量足以射穿一个金属太空飞船,并留下破坏性后果。
【日本企业将为富人打造人工流星雨 专家:这样不好】相关文章:
最新
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15