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关于宇宙神秘FRB的五种推测：或来自黑洞坍塌_我的网站

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    A South Korean senior citizen (right), joining a photography group, tours and takes photos at Zhangjiajie National Forest Park in Central China's Hunan Province, on January 5, 2025. Photo: VCG
Flights between China and South Korea remained at a high level in the past two weeks, supported by network expansion and rising demand, industry data showed on Monday.
Between July 27 and August 9, a total of 5,142 passenger flights were operated on China-South Korea routes, maintaining a high level of overall supply, industry data provider VariFlight told the Global Times on Monday. 
Compared with the previous period from July 13 to July 26, when there were 5,145 flights, the number of operated flights decreased by just three, remaining essentially flat. 
Compared with the same period in 2025, the number of flights grew by 10.7 percent. Flight operations during this period grew by 12 percent compared with the same period in 2019, indicating that current passenger flight volumes on China-South Korea routes have significantly surpassed pre-pandemic levels, VariFlight said. 
The rising demand is also supported by more airlines and airports expanding their networks. 
For example, Spring Airlines said that its current network includes four South Korean destinations: Jeju, Busan, Cheongju, and Seoul. 
Following the introduction of the visa-free policy for South Korean passport holders, the carrier has witnessed a notable uptick in weekend trips to Shanghai, with Friday arrivals seeing a particularly strong uptrend. On the Busan-Shanghai route, Korean travelers have made up as much as 80 percent of passenger loads on Friday and Sunday flights during peak travel windows, Spring Airlines told the Global Times on Monday. 
Jeju Air saw its passenger traffic increase by nearly 40 percent year-on-year during the first seven months of this year on routes between the two countries, the Yonhap News Agency reported on Monday. 
From January to July, seat capacity on Jeju Air's South Korea-China routes grew by 26.8 percent year-on-year to 494,300 seats, while passenger traffic rose by 37.4 percent year-on-year to 427,300 travelers, and the load factor climbed 6.6 percentage points to 86.4 percent.
Eastar Jet, a South Korean low-cost carrier, announced on Friday that it had launched a new route between Incheon and Hohhot with two flights per week, Yonhap reported. 
The expansion of flight routes between China and South Korea is a reflection of both warming bilateral relations and rising demand in tourism, business, investment, and people-to-people exchanges, Da Zhigang, a researcher at the Heilongjiang Provincial Academy of Social Sciences' Institute of Northeast Asian Studies, told the Global Times.
He said that visa-free policies and travel facilitation measures, with tourism acting as a bridge for broader exchanges and trade, have paved the way for this expansion.
Data from Qunar.com showed that South Korea ranked first in the inbound source market rankings for the first half of 2026, followed by Thailand, Singapore, and Vietnam.
While South Korea is already China's largest source of foreign tourists, even more of its nationals have been making trips to their western neighbor in recent months. About 1.7 million South Koreans visited China in the first half of this year, up 16 percent from the same period last year, scmp.com reported on Saturday, citing figures from South Korea's Ministry of Justice.
Yanji Chaoyangchuan International Airport expanded its South Korean route network to six destinations including Busan, Cheongju and Daegu with 668 monthly flights and a daily peak of 26 flights carrying 4,115 passenger trips in July. The airport ranked first in Northeast China for South Korean passenger traffic in July.
On May 16, Qingdao Airlines increased the frequency of its Qingdao-Seoul route, with flights operating three times per week. After this increase, average daily passenger flights from Qingdao to South Korea reached 18, of which 16 served Seoul on a daily basis.
。北京时间1月14日消息，天文学家收到了许多来自遥远星系的神秘信号。当这些被称为快速射电爆发（FRB）的信号到达地球望远镜时，它们会显示持续数毫秒的明亮爆发，然后消失。在过去的十年里，天文学家已经检测到数十个快速的无线电脉冲信号，新的信号正在出现，其中包括一个罕见的重复信号。我们不清楚这些信号是什么，它们来自哪里。目前，科学家主要有以下五种猜测。

B | 当快旋中子星爆炸并死亡时，它们的最终结果可能是快旋中子星。天文学家相信，强磁场中的中子星可能会产生异常快的无线电波爆发信号。”加拿大不列颠哥伦比亚大学的天体物理学家IngridStairs说：“像中子星这样的物体确实是很好的信号源。

C | ”但是我们不知道这高能无线爆炸是通过什么物理过程产生的，两颗中子星合并两颗中子星相互碰撞是产生快速无线风暴的另一种可能性。

D | 加拿大麦吉尔大学的天文学家Shriharsh Tendulkar说，这是一个主流的假设，但只适用于只检测一次的宇宙信号，因为中子星在碰撞中被摧毁。

E | _强磁场中的中子星（图像）可能会产生奇怪的快速无线电脉冲信号。”这是一个毁灭性的事件，不适合重复的快速无线电爆发，”尖利刺耳的tendulkar说。在过去的十年里，望远镜捕捉到的大多数快速的无线电风暴在一次出现后就消失了。然而，天文学家发现了两个反复出现的神秘信号，需要用其他理论来解释。

F | 当一颗快速旋转的中子星坍缩并形成一个黑洞时，闪电被称为“闪电”。

G | 快速的无线电风暴可能起源于闪电，但就像中子星合并一样，它们也是恒星毁灭的过程，因此不可能产生重复的信号。黑洞可能是快速无线电风暴的起源。许多假设都提到了黑洞。人们认为，快速的无线风暴可能来自中子星掉入黑洞，或来自黑洞坍塌，甚至来自暗物质与黑洞的碰撞。虽然许多天文学家认为快速的无线电风暴是完全自然的产物，但一些人推测它们可能是外星生命活动的证据。根据Steels博士的说法，射电望远镜能够探测到来自宇宙的快速射电风暴的可能性非常小。”它们的出现遍布整个天空，在不同的距离，所以它一定与许多不同的星系有关，”她说。如果许多不同的外星文明决定以同样的方式发送同样的信号，那将是令人惊讶的。似乎不太可能。

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Published on:14:44:53