脉泽：微波波段的激光1、脉泽与激光在电磁波谱中的定位激光（Laser）作为日常生活中广泛应用的设备（如激光笔、激光打印机），其原理广为人知。与之相比，脉泽（Maser）作为激光在微波波段的物理原型（图1），由于工作波长远超可见光范围，其存在与重要性却 ...

Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA’s newest space ...

This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

Learn more about how the Vera C. Rubin Observatory will capture more of our stunning universe.

Emirates Astronomy Society achieves a historic milestone by photographing the Crescent Nebula, 5,000 light-years away, ...

The Vera C. Rubin Observatory has unveiled its first close-up image of the cosmos, offering an extraordinary new perspective ...

Credit: NASA, ESA, and M. Andersen; ESO/VPHAS+ Team Sh2-284 is an HII region, glowing as an emission nebula energized by intense ultraviolet radiation from nearby stars, ionizing its hydrogen-rich gas ...

This spectacular star-forming region is one of the first images from the new Vera C. Rubin Observatory in Chile.

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

The Sculptor galaxy is similar in many respects to our Milky Way. It is about the same size and mass, with a similar spiral ...