NASA and the National Park Service worked together to create a web-based tool that helps park managers better understand the impact of outdoor lighting and noise on animal species in national parks. The website allows park managers to choose a time period, such as the spring or winter seasons, and t […]
2022年4月15日 The Gator-back Rocks of Mars Image Credit: NASA, JPL-Caltech, MSSS Explanation: Wind-sharpened rocks known as ventifacts, cover this broad sloping plain in the foot hills of Mount Sharp, Gale crater, Mars. Dubbed gator-back rocks their rugged, scaly appearance is captured in these digital
Astronomers have identified a rapidly growing black hole in the early universe that is considered a crucial “missing link” between young star-forming galaxies and the first supermassive black holes, using data from the Hubble Space Telescope to make this discovery. This artist’s im
2022年4月14日 Messier 96 Image Credit & Copyright: Mark Hanson and Mike Selby Explanation: Spiral arms seem to swirl around the core of Messier 96 in this colorful, detailed portrait of a beautiful island universe. Of course M96 is a spiral galaxy, and counting the faint arms extending beyond the
What looks like a red butterfly in space is in reality a nursery for hundreds of baby stars, revealed in this infrared image from NASA’s Spitzer Space Telescope. Officially named W40, the butterfly is a nebula – a giant cloud of gas and dust in space where new stars may form. The butterflyR
在这幅图中，NASA詹姆斯·韦伯太空望远镜上的多层遮阳板延伸到天文台的蜂窝状镜面下。遮阳板是冷却韦伯红外仪器的第一步，但中红外仪器（MIRI）需要额外的帮助才能达到工作温度。 影像来源：NASA GSFC/CIL/Adriana Manrique Gutierrez NASA的詹姆斯·韦伯太空望远镜将看到宇宙大爆炸后形成的第一批星系，但要做到这一点，其仪器首先需要降低温度——温度真的非常低。4月7日，由NASA和ESA联合开发韦伯的中红外仪器（MIRI）达到了低于7开尔文（零下447华氏度，或零下266摄氏度）的最终工作温度。 与韦伯的其他三个仪器一样，MIRI最初在韦伯的网球场大小的遮阳板的
2022年4月13日 Milky Way over Devils Tower Image Credit & Copyright: MaryBeth Kiczenski Explanation: What created Devils Tower? The origin of this extraordinary rock monolith in Wyoming, USA is still debated, with a leading hypothesis holding that it is a hardened lava plume that never reached the
In the early morning hours of April 12, 1981, NASA launched is first Space Transportation System, or space shuttle, mission, carrying astronauts John Young and Robert Crippen into orbit. Mission Commander John Youn had already flown in space four times, including a walk on the Moon in 1972. Bob Crip
2022年4月12日 N11: Star Clouds of the LMC Image Credit: NASA, ESA; Processing: Josh Lake Explanation: Massive stars, abrasive winds, mountains of dust, and energetic light sculpt one of the largest and most picturesque regions of star formation in the Local Group of Galaxies. Known as N11, the region i
A spectacular head-on collision between two galaxies fueled the unusual triangular-shaped star-birthing frenzy, as captured in this image from the Hubble Space Telescope. The interacting galaxy duo is collectively called Arp 143. The pair contains the glittery, distorted, star-forming spiral galaxy
