APOD260203 韦伯望远镜拍摄的红蜘蛛行星状星云
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图像提供: ESA/Webb[1], NASA[2] & CSA[3], J. H. Kastner[4] (RIT[5])
英文原文:Explanation: Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star. Officially tagged NGC 6537 , this two-lobed symmetric planetary nebula houses one of the hottest white dwarfs ever observed, probably as part of a binary star system. Internal winds flowing out from the central stars, have been measured in excess of 1,000 kilometers per second. These winds expand the nebula, flow along the nebula's walls, and cause waves of hot gas and dust to collide. Atoms caught in these colliding shocks radiate light shown in the featured false-color infrared picture by the James Webb Space Telescope . The Red Spider Nebula lies toward the constellation of the Archer ( Sagittarius ). Its distance is not well known but has been estimated by some to be about 4,000 light-years . 说明: 行星状星云[6]的结构真是错综复杂[7]! 红蜘蛛行星状星云[8]展现了一颗普通恒星[9]抛射外层气体并演化成白矮星[10]后形成的复杂结构。 这颗双瓣对称的行星状星云[11]正式编号为NGC[12] 6537[13],其中包含一颗迄今为止观测到的最热的白矮星[14]之一,它很可能是一个双星系统[15]的一部分。 从中心恒星喷出的内部星风[16]速度超过每秒1000公里。这些星风[17]使星云膨胀,沿着星云壁流动,并引发高温气体[18]和尘埃[19]波相互碰撞。 在这些碰撞冲击波中被捕获的原子[20]会辐射出光,詹姆斯韦伯太空望远镜[21]拍摄的这张假彩色红外线[22]特色[23]照片就显示了这一点。 红蜘蛛星云[24]位于射手座[25]方向。 它的距离尚不清楚,但据 一些人的估计[26]约为 4,000 光年[27]。
明日的图片: ringing galaxy[28]
Authors & editors: Robert Nemiroff[29] (MTU[30]) & Jerry Bonnell[31] (UMCP[32])
NASA Official: Amber Straughn Specific rights apply[33].
NASA Web Privacy[34], Accessibility[35], Notices[36];
A service of: ASD[37] at NASA[38] / GSFC[39],
NASA Science Activation[40]
& Michigan Tech. U.[41]
太空天文实验室(成功大学物理系)
<br/> 编辑:<a href="mailto:hantzong.su@gmail.com" style="color:gray;" target="_blank">苏汉宗</a>
编辑:陈炳志[42]
[4]https://www.rit.edu/directory/jhkpci-joel-kastner
[6]https://en.wikipedia.org/wiki/Planetary_nebula
[7]http://www.bartleby.com/100/338.25.html
[8]http://apod.nasa.gov/apod/ap980106.html
[9]http://apod.nasa.gov/apod/ap251207.html
[10]http://apod.nasa.gov/apod/ap000910.html
[11]http://apod.nasa.gov/apod/planetary_nebulae.html
[12]http://spider.seds.org/ngc/ngc.html
[13]http://en.wikipedia.org/wiki/Red_Spider_Nebula
[14]http://apod.nasa.gov/apod/ap231224.html
[15]http://apod.nasa.gov/apod/binary_stars.html
[16]https://science.nasa.gov/sun/what-is-the-solar-wind/
[17]http://apod.nasa.gov/apod/ap200121.html
[18]http://periodic.lanl.gov/1.shtml
[19]http://apod.nasa.gov/apod/ap030706.html
[20]https://en.wikipedia.org/wiki/Atom
[21]https://science.nasa.gov/mission/webb/
[22]https://science.nasa.gov/ems/07_infraredwaves/
[23]https://esawebb.org/images/potm2510a/
[24]https://ui.adsabs.harvard.edu/abs/2000A%26A...362L..17P/abstract
[25]http://www.astronomical.org/constellations/sgr.html
[26]https://media.tenor.com/x6G8GKIQPcUAAAAe/thinking-cat.png
[27]https://science.nasa.gov/exoplanets/what-is-a-light-year/
[28]http://apod.nasa.gov/apod/ap260204.html
[29]http://www.phy.mtu.edu/faculty/Nemiroff.html
[31]https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
[33]http://apod.nasa.gov/apod/lib/about_apod.html#srapply
[34]https://www.nasa.gov/about/highlights/HP_Privacy.html
[35]https://www.nasa.gov/general/accessibility/
[36]https://www.nasa.gov/privacy/
[37]https://astrophysics.gsfc.nasa.gov/
[39]https://www.nasa.gov/centers/goddard/
[40]https://science.nasa.gov/learners
[42]mailto:alfred@ncku.edu.tw
http://apod.nasa.gov/apod/ap260203.html
http://sprite.phys.ncku.edu.tw/astrolab/mirrors/apod/ap260203.html
