He added the ultrasonic speakers are lowered into the seabed "a bit like a lobster pot".
"We don't have any alternatives. If grandparents were an option, we'd already be doing it."
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Beyond the cloud's unusual shape, scientists see the nebula as a freeze-frame in the life of a star facing its final act. Elderly stars shed their outer layers in bursts, creating shells of gas and dust that expand. By observing the nebula at different wavelengths, researchers can sort out what material was molted first, how fast the star is losing mass, and which phase of decline Webb has caught.
那時候，關恆已經在美國生活了接近四年的時間，儘管特朗普於2025年1月重返白宮，並且揚言要大規模逮捕和驅逐非法移民，但他覺得被逮捕一事，仍然離他很遠。