迅速增长的卫星群引起了学界的强烈关注。卫星的反射光肉眼可见，对于专业望远镜而言非常明亮。这些轨迹已经影响了全电磁波谱的天文图像，在运行和校正方面付出了显著的成本。 与普遍看法相反，卫星轨迹不仅影响地面天文台，还影响哈勃太空望远镜等太空天文台。然而，目前在轨卫星数量只是未来十年计划发射卫星的一小部分（不到3%）。 研究组基于电信行业提出的卫星群计划，对一系列国际近地轨道望远镜的卫星轨迹污染程度进行了 ...

It was on a Bognor beach Joyce got the idea for his seagull song, Three Quarks for Muster Mark, which would give the word quark to quantum physics and English. Bognor too was where he wrote the Wake’s ...

A boiling sea of quarks and gluons, including virtual ones—this is how we can imagine the main phase of high-energy proton ...

How the world of the smallest particles is structured, what is known about fundamental forces, and what particles have to do ...

Boiling sea of quarks and gluons, including virtual ones – this is how we can imagine the main phase of high-energy proton ...

Illustration of a tetraquark composed of two charm quarks and two charm antiquarks. (Image: CERN) To date, the Large Hadron Collider (LHC) at CERN has discovered 80 particles. The most famous is the ...

Quantum computing and neutron star physics are converging on the same hard problem: how to describe matter when gravity and ...