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essay代写-How are black holes distributed。像xmm -牛顿和钱德拉这样的x射线望远镜在低x射线能量水平下已经探测到了x射线宇宙。通过聚焦于高能x射线,NuSTAR将开始回答关于宇宙的各种基本问题,比如:

在大质量恒星爆炸的过程中,重元素是如何形成的?

在宇宙中,黑洞是如何分布的?

活跃和极端星系的能量来源是什么?

NuSTAR的主要科学目标包括:

研究元素的诞生,同时通过测绘年轻超新星残骸中的放射性物质来了解恒星是如何爆炸的。

利用星系中心和河外场的广域调查,对所有尺度的黑洞进行普查

了解巨型宇宙加速器的能量来源,并观察在最极端和最活跃的星系中发现的相对论喷流。

此外,NuSTAR还将研究围绕坍缩状态的极端物理。同时,为了研究宇宙射线的起源以及对机遇目标的反应包括伽马射线和超新星爆发。斯皮策和钱德拉的发现将由NuSTAR跟进,并与费米合作进行同步观测,以提高费米的科学回报。2014年7月31日,NuSTAR完成了它的主要任务,目前正在执行一个扩展的任务。

核之星在其主要任务方面所取得的一些成就如下:

罕见的黑洞光模糊被NuSTAR捕捉到

这是有史以来用高x射线拍摄的最敏感的太阳照片

在超新星残骸中,它创造了第一幅放射性物质的地图

黑洞的自旋速率是可以确定的,它的质量是太阳的200万倍

发现黑洞可能是中微子工厂

这是迄今为止由NuSTAR发现的最亮的脉冲星

essay代写-How are black holes distributed。X-ray telescopes like XMM-Newton and Chandra at low X-ray energy levels have detected the X-ray universe. NuSTAR, by focusing on higher energy X-rays, would start to answer various basic questions regarding the Universe like:
During the explosion of massive stars, how were heavy elements forged?
Through the cosmos, how are black holes distributed?
What is the source of power for the active and extreme galaxies?
The primary science objectives of NuSTAR include:
To study the birth of the elements and at the same time to comprehend how the stars explode by mapping radioactive material in young supernova remnants.
By using Galactic center and wide-field surveys of extragalactic fields, conducing a census for black holes on all scales
Understanding the source of power for the giant cosmic accelerators and observing the relativistic jets which are found in the most extreme and active galaxies.
Moreover, NuSTAR would also research regarding the extreme physics revolving around the collapsed state. Also, so as to study the origin of the cosmic rays and also responding to the targets of opportunity which encompass gamma-ray and supernovae bursts. The discoveries which were made by Spitzer and Chandra would be followed-up by NuSTAR and would make simultaneous observations by teaming up with Fermi to enhance the science return of Fermi. It was on 31 July 2014 that NuSTAR accomplished its primary mission and is currently on an extended mission.
Some of the achievements by NuSTAR in its primary mission are:
The rare blurring of the black hole light was captured by NuSTAR
The most sensitive solar portrait of the sun ever taken in high X-rays was captured by it
In supernova remnant, it created the first map of radioactive material
The spin rate of a black hole was definitely measured which had a mass of about 2 million times more than the sun
Found that the black hole could be a neutrino factory
The brightest pulsar ever to be recorded by discovered by NuSTAR

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