2022年4月1日

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Leaning Tower, Active Sun
Image Credit & Copyright:
Antonio Tartarini

Explanation: The natural filter of a hazy atmosphere offered this recognizable architecture and sunset view on March 27. Dark against the solar disk, large sunspots in solar active regions 2975 and 2976 are wedged between the Duomo of Pisa and its famous Leaning Tower. Only one day later, Sun-staring spacecraft watched active region 2975 unleash a frenzy of solar flares along with two coronal mass ejections. The largest impacted the magnetosphere on March 31 triggering a geomagnetic storm and aurorae in high-latitude night skies. On March 30, active region 2975 erupted again with a powerful X-class solar flare that caused a temporary radio blackout on planet Earth.

Tomorrow’s picture: a colour out of space


斜塔与活跃红日
影像提供与版权:
Antonio Tartarini

说明: 在这片摄于3月27日的日落景观里,被烟雾污染的大气成为这些建物和落日的自然滤镜。而在日盘衬托下的太阳活跃区2975和2976之大型太阳黑子,嵌在比萨大教堂及其著名的斜塔之间。一天之后,观日的航天器见到活跃区2975发生狂暴的日闪(耀斑),并释出2次日冕物质抛射。其中最大的一例于3月31日冲击地球磁层并触发磁暴,为高纬度地区的夜空带来极光。在3月30日,活跃区2975再次发生强烈的X级日闪,导至地球的无线电通讯暂中断。

明日的图片: a colour out of space

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