据悉,这一发现得益于低频阵列射电望远镜(LOFAR)的存档数据。澳大利亚悉尼大学的伊里斯・德・鲁伊特在查阅这些数据时,首次捕捉到了这一信号的踪迹。该信号最早出现在2015年的数据中,德・鲁伊特随后又确认了来自同一源头的六个类似信号。这些信号的持续时间虽有所不同,但它们的重复周期却极为规律。
For a decade, a radio signal has puzzled astronomers. Every two hours, a pulse from the constellation Ursa Major travels ...
The European Low-Frequency Array radio telescope network, or LOFAR, has examined faint and distant objects across the ...