如何观看Perseid流星淋浴,今年最好的

淋浴?

在这30秒的曝光中,在2016年8月12日星期五,在2016年8月12日在西弗吉尼亚州云杉旋钮周五穿过天空的流星条纹。照片信用:(美国宇航局/贝尔峡谷)

如果您居住在某个地方,或者至少可以访问与附近的某个地方,遍布全年的一些流星更容易,但对于我们众多,随着光污染不断增加,当我们抓住我们的机会时,它主要是大流星阵雨,这就是为什么今年Perseid流星阵雨的开始是如此令人兴奋的原因。

Still, for those of us in the brightest areas, our best chance, with the peak of the Perseids, won’t come until later in August (with the meteor shower overall lasting all the way until August 24), but it never hurts to be prepared! You may already be able to see some meteors as early as tonight. Though the best time for the most frequent meteor sightings is closer to dawn, you can head out to your favorite stargazing spot (a thing everyone has, right? Not just me?) as early as 10PM and keep your eyes glued to the sky.

The Perseids are so named because the point in the sky their trails appear to trace back to is in the constellation Perseus, but you’ll see them all over the sky, so pick a place with as much unobstructed view as possible to give yourself a nice, big patch of sky to stake out. Those trails are also part of what makes the Perseids such a great show, being known not just for a high volume of meteors overall, but for producing fireballs that leave long streaks across the sky, making them not only more visually impressive but less easy to miss.美国宇航局说

Perseids在8月中旬的峰值,被认为是今年的最佳流星阵雨。随着非常快速和明亮的流星,Perseids经常留下长期的“醒来”的光和颜色,因为它们通过地球的大气连续。Perseids是最丰富的淋浴(每小时50-100个流星)之一,并且随着温暖的夏季夜间天气发生,允许天空观察员轻松查看它们。

Perseids也以他们的火球而闻名。火球是较大的光和颜色爆炸,可以持续超过平均流星条纹。这是由于火球源自较大的粒子颗粒。火球也更加明亮,表观大于-3。

However, if you don’t have hours per night over the next few weeks to spend looking for meteors, the peak will arrive overnight on August 11–12, with a rate of visible meteors as high as 50–100 per hour, depending on the quality of your viewing area. If you’re not sure where the best viewing would be in your area, the国际黑暗的天空协会的黑暗天空发现工具可以帮助你, 和美国宇航局有一个Web应用程序这将有助于您弄清楚您可以在您所在地区的节目中所期望的内容。

虽然你看,你也可以享受令人难以置信的小的同时思考彗星,彗星实际上是由(不是星座本身,尽管它是如何出现的),109p / swift-tuttle,Nasa说是“几乎是大小的两倍假设的物体导致恐龙的消亡,“制作它众所周知的最大物体越过地球轨道。不过,不要担心。随着它的长时间轨道为133年,它最后一次左右是1992年,它不会回到2125-and Paul Chodas,Nasa的近地对象研究中心经理,告诉Space.com.,“它的轨道靠近地球的轨道,因此多年来被视为危险物体。现在,我们非常了解它的轨道,足以说我们对数千年来的影响是安全的。“

快乐的流星狩猎!

(图片:NASA / Bill Engalls)

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