기본 콘텐츠로 건너뛰기

11월, 2024의 게시물 표시

우주 이야기 1457 - 대마젤란 은하의 헤일로를 관측한 허블 우주 망원경

  ( This artist's concept shows the Large Magellanic Cloud, or LMC, in the foreground as it passes through the gaseous halo of the much more massive Milky Way galaxy. The encounter has blown away most of the spherical halo of gas that surrounds the LMC, as illustrated by the trailing gas stream reminiscent of a comet's tail. Still, a compact halo remains, and scientists do not expect this residual halo to be lost. The team surveyed the halo by using the background light of 28 quasars, an exceptionally bright type of active galactic nucleus that shines across the universe like a lighthouse beacon. Their light allows scientists to "see" the intervening halo gas indirectly through the absorption of the background light. The lines represent the Hubble Space Telescope's view from its orbit around Earth to the distant quasars through the LMC's gas. Credit: NASA, ESA, Ralf Crawford (STScI) ) ​ ( This artist's concept illustrates the Large Magellanic Cloud's (

사해 바닥에 있는 소금 기둥 같은 화이트 스모커

  ( In situ images of the chimney clusters. Solitary "needle" at Darga spot (a); Most chimneys exhibit pronounced growth in girth and a clubbed, sinter-like crown (b); chimneys smoke due to buoyancy of chimney brine, whose density is lower than that of the Dead Sea brine, resulting in schlieren, the colorless smoke (c); chimneys in Jake's Bay grow up to 7 m height, older parts are covered by suspended brownish sediments, while white parts are fresh developments (d); Assemblage of youngest chimneys of decimetre length, showing abundantly spiky dendritic crystallizations (e). Credit: Science of The Total Environment (2024). DOI: 10.1016/j.scitotenv.2024.176752 ) ​ ( An individual submarine chimney at a depth of roughly 30 m. Credit: UFZ ) ​ ( Entrance area to Mineral Beach on the Dead Sea. The sinkhole formed overnight and fortunately no one was injured. Credit: UFZ ) ​ ​ 이스라엘, 요르단, 팔레스타인 서안 지구 사이에 위치한 사해 (Dead Sea)는 사실 서울시 면적의 호수로 세상에서 가장 짠 호수로 유명합니다. 고도가 해수면보다 438m나 낮고 강수