NASA·APOD每日天文一圖2022.5.22 [超高清]
沒(méi)想到啊,竟然是動(dòng)圖!??!

Tsunamis this large don't happen on Earth. During 2006, a large solar flare from an Earth-sized?sunspot?produced a?tsunami-type shock wave that was?spectacular?even for the Sun.?Pictured here, the?tsunami wave?was captured moving out from active region AR 10930 by the?Optical Solar Patrol Network?(OSPAN) telescope in?New Mexico,?USA. The resulting?shock wave, known technically as a?Moreton wave, compressed and heated up gasses including?hydrogen?in the?photosphere?of the Sun, causing a momentarily brighter glow. The featured image was taken in a?very specific red color?emitted exclusively by hydrogen gas. The?rampaging tsunami?took out some active?filaments?on the Sun, although many re-established themselves later. The?solar tsunami?spread at nearly one million kilometers per hour, and circled the entire?Sun?in a matter of minutes.
地球上不會(huì)發(fā)生這么大的海嘯。2006年,一個(gè)地球大小的太陽(yáng)黑子發(fā)出的巨大太陽(yáng)耀斑產(chǎn)生了海嘯式的沖擊波,甚至對(duì)太陽(yáng)來(lái)說(shuō)也是壯觀的。圖中,位于美國(guó)新墨西哥州的光學(xué)太陽(yáng)巡更網(wǎng)(OSPAN)望遠(yuǎn)鏡捕捉到海嘯波從活躍區(qū)域AR 10930向外移動(dòng)。由此產(chǎn)生的沖擊波,在技術(shù)上稱為莫爾頓波,壓縮并加熱了包括太陽(yáng)光球?qū)又械臍湓趦?nèi)的氣體,產(chǎn)生了瞬間更亮的輝光。這張?zhí)貙?xiě)圖片是用一種非常特殊的紅色拍攝的,這種紅色完全是由氫氣發(fā)出的。肆虐的海嘯摧毀了太陽(yáng)上一些活躍的細(xì)絲,盡管許多細(xì)絲后來(lái)重新形成。太陽(yáng)海嘯以每小時(shí)近100萬(wàn)公里的速度傳播,在幾分鐘內(nèi)環(huán)繞整個(gè)太陽(yáng)。