“Because a black hole is quite massive, any material, for example stars, that move close to it, will feel a lot of gravity,” van der Marel added. “As a result of this, these stars will move quite fast. So another method of actually detecting the presence of black holes is looking...
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evolutionoscillations cosmic radiationionizing radiationsprimary cosmic radiationradiationsWe report on the discovery by the Swift Gamma-Ray Burst Explorer of the black hole (BH) candidate Swift J1539.2-6227 and the subsequent course of an outburst beginning in 2008 November and lasting at least seven...
The team made the discovery while investigating the link between the cold gas around active black holes and how these are fuelled in the WISDOM sample of 35 nearby galaxies captured by the Atacama Large Millimeter/submillimeter Array (ALMA) of telescopes in Chile. Dr Ruffa added: “Our study s...
“for the discovery of a supermassive compact object at the centre of our galaxy”. So for all of you with black holes on the brain,physicist John Moffat’s latest book,The Shadow of the Black Hole, may be just the ticket. Moffatt, a veteran cosmologist, is now professor emeritus of ...
A. A New Scientific Discovery: Black Holes B. How Do Black Holes Come Into Being? C. What Are Black Holes? D. Travel Through A Black Hole 相关知识点: 试题来源: 解析 C[考点]主旨大意题 [精析]C通读全文可知,本文讲述了黑洞的产生过程、内部物质及科学家对黑洞的猜测等。首先可排除选项A,因为...
Thompson and other astrophysicists had long suspected that black holes might come in sizes outside the known range, and LIGO's discovery proved that black holes could be larger. But there remained a window of size between the biggest neutron stars and the smallest black holes. ...
The article reports on the discovery of midsize black holes by astronomers. One of the evidence of a midsize hole lies within the proximity of the edge-on spiral galaxy ESO 243-49 in constellation Phoenix. Another ...
What's the best title for this passage?A A New Scientific Discovery: Black HolesC What Are Black Holes? How Do Black Holes Come Into Being?B What Are Black Holes?D Travel Through A Black Hole 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
The black features are holes in the Mn monolayer. The SP-STM image in Fig. 4a dominantly shows one rotational domain, but it becomes evident that the rim of the hole induces the formation of two additional domains. Also the rotation of the RW-AFM domains in Fig. 4b is governed by the...