NASA has made a remarkable discovery while flying over the arctic ice in Greenland during an April 2024 survey. The radar ...

The James Webb Space Telescope just captured a gorgeous image of the Sombrero galaxy. This cluster now looks more like an ...

The sharp resolution of Webb’s MIRI (Mid-Infrared Instrument) also brings into focus details of the galaxy’s outer ring, ...

近日，一项由北京大学、加利福尼亚大学洛杉矶分校与杜克大学的联合研究揭示了中国的大气污染物防治措施对多环芳烃污染及人体暴露的影响，相关成果以“Reduction in polycyclic aromatic hydrocarbon exposure ...

多环芳烃（PAHs）是含有相邻芳环的有机分子。红外发射波段表明，多环芳烃在太空中是丰富的，但在星际介质中只检测到少数特定的多环芳烃。研究者利用绿岸望远镜对致密星云TMC—1进行射电观测，发现了1—氰芘，一种四环多环芳烃芘相关的氰基取代衍生物。

Ant Robinson, fragrance expert at price comparison website HalfPricePerfumes, warned: “Laboratory tests of samples seized by ...

A new mid-infrared image from the NASA/ESA/CSA James Webb Space Telescope features the Sombrero galaxy, also known as Messier ...

Webb telescope, with help of Mid-Infrared Instrument, captured high-resolution mid-infrared image of galaxy, also known as ...