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- The pressure behind this shock wave drives an inward-moving shock wave that heats the ejecta, seen as the aqua cloud. 激波后的壓力驅使內行激波加熱物質(zhì),也就是圖中淺綠色的云團。
- The expanding ejecta drive an outward-moving shock wave that races ahead of the ejecta into the interstellar gas (bright outer rim). 膨脹的拋出物驅動(dòng)著(zhù)外行激波,領(lǐng)先于拋出物沖入星際氣體(明亮的外緣)。
- First came the impact, which sent a rain of molten rock into the air and formed an "ejecta" layer for hundreds of miles around. 首先是沖擊,使熔融巖石沖進(jìn)空中并且在數百英里周?chē)纬梢粋€(gè)噴出物的層,然后變成海嘯,勞頓說(shuō):"海浪沖向熔融巖石并且把它帶回到深水"。
- In 1994 Hubble began seeing spots brighten in sequence along the central ring: the supernova ejecta smacking into the ring. 1994年哈伯開(kāi)始觀(guān)測到中央環(huán)上一連串的亮點(diǎn),這代表超新星的噴出物霹靂啪啦地撞上了環(huán)圈。
- Searches in the data for impurity clues in the water-ice dominated plumes and surface ejecta are progressing. 科學(xué)家持續不斷的研究這些由水冰主宰的羽狀煙柱及表面噴發(fā)物,來(lái)尋找水存在的可能性。
- Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material. 這些放射狀隕石坑產(chǎn)生于天體撞擊濺出的地下物質(zhì),綿延在遍布隕石坑的水星表面數百公里。
- The shape of jet、velocity of shock wavefront and ejecta head were obtained through shadow images. 通過(guò)獲取的陰影圖像觀(guān)察到了帶有特定形狀缺陷(矩形槽、盲孔)錫自由表面的微噴射演變過(guò)程,給出了微射流的形狀,沖擊波陣面以及噴射物頭部的運動(dòng)速度等物理信息。
- A small impact crater, surrounded by ejecta, is filled in with rippled sand on the floor of Ritchey Crater. 一個(gè)小隕石坑中,噴出物包圍,充滿(mǎn)沙子與皺對里奇隕石坑發(fā)言。
- A small crater partially buried in wind-blown ejecta from a much larger crater (below, out of frame). 一個(gè)小隕石坑部分埋在風(fēng)力吹從一個(gè)更大的火山口(以下,出幀)噴出物。
- In the case of N132D, the horseshoe shape of the remnant is thought to be due to shock waves from the collision of the supernova ejecta with cool giant gas clouds. 在N132D中,遺跡的馬蹄鐵狀外觀(guān)據信是因超新星拋出物與巨大的冷分子云相撞所致的。
- The clear separation of the shocked matter and the heated ejecta in the Chandra image allowed astronomers to determine the mass and composition of the ejecta. 在錢(qián)德拉的照片上,激波擾過(guò)的物質(zhì)與被加熱的拋出物之間明顯的分隔讓天文學(xué)家可以定出拋出物的質(zhì)量與組分。
- Highly reflective material with a steeper slope (seen as bright orange in this enhanced-color view) is exposed in the ejecta near the crater's rim. 陡峭斜坡形的高反光物質(zhì)(在這張增強色視圖中的亮橙色)暴露在隕石坑的邊緣的噴出物中。
- Even if I1004,1,2 turns out to be secondary ejecta, there are still six more tracks that could turn out to be interstellar. 即便假設I1004,1,2原本就是二次濺射物,還有6個(gè)可能成為星際塵埃的軌跡。
- A 3-chimney height exclusion zone shall be maintained to minimize the chance of ejecta or debris hitting any spectators. 應保持一個(gè)相等于3枝煙囪高度的限制區,以防噴出物或碎片擊中周?chē)娜恕?/li>
- Planetary geologists formerly believed that any impact ejecta with speeds exceeding the Martian escape velocity would almost certainly be vaporized or at least completely melted. 行星地質(zhì)學(xué)家以前相信,只要撞擊噴出物的速度超過(guò)火星的脫離速度,幾乎會(huì )被蒸發(fā),不然至少也會(huì )完全熔化。
- SOHO came in handy last fall when it caught two large CMEs headed for the earth, but it could not follow the ejecta nor provide an accurate impact time. 去年秋天,SOHO捕捉到兩個(gè)正對地球而來(lái)的大規模CME時(shí),堪稱(chēng)靈敏,不過(guò)它既不能追蹤噴流,又不能提供準確的侵襲時(shí)間。
- In the only other supernova remnant (the Vela supernova remnant) where such features have been observed, the crescent shapes are clearly produced by ejecta fragments. 其他超新星遺跡中,只有一個(gè)(船帆座超新星遺跡)觀(guān)測到了這樣的特征,可以確信,該遺跡的新月形外觀(guān)是拋出的碎片造就的。
- It should also help to determine whether most of the dust in the supernova remnant came from the massive star before it exploded, or from the rapidly expanding supernova ejecta. 這還可以幫助人們確定,超新星遺跡中的大部分塵埃究竟源于爆發(fā)前的大質(zhì)量恒星,還是來(lái)自迅速膨脹的超新星拋出物。
- This story, though, raises the question of why there is but a single ejecta layer of iridium and shocked quartz in late Cretaceous rocks around the world. 然而,這卻引發(fā)了一個(gè)問(wèn)題:為什么全世界只有一個(gè)白堊紀后期的銥和受震石英熔巖層。
- This and the X-ray spectrum, which exhibits a high concentration of iron atoms relative to oxygen and silicon, convincingly show that the ejecta are the remains of an exploded white dwarf star. 這幅圖連帶X射線(xiàn)光譜(顯示出了鐵相對氧與硅的高度集中)令人信服地說(shuō)明,拋出的物質(zhì)是爆發(fā)白矮星的殘余。