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Hotspots

Astronomy Hot SpotHour

Hotspots
Locations of localized basaltic vulcanism generally away from plate boundaries. They account for only of the 's heat flow. The correlate with geoid highs, suggesting that they are due to deep-seated plumes.

 


* Classical double refers to an FRII source with clear hotspots.
* Wide-angle tail normally refers to a source intermediate between standard FRI and FRII structure, with efficient jets and sometimes hotspots, but with plumes rather than lobes, ...

These so-called "hotspots" , for example at Hawaii, can occur far from plate boundaries. Hotspot volcanoes are also found elsewhere in the solar system, especially on rocky planets and moons.
Divergent plate boundaries ...

Fanaroff-Riley Class II (FR-II) This class comprises luminous radio sources with hotspots in their lobes at distances from the centre which are such that RFR 0.5.

One of VLBI's greatest achievements was mapping the motion of water maser hotspots around a supermassive black hole in the core of NGC 4258 which allowed astronomers to show unambiguously that supermassive black holes were present in the cores of ...

We have seen hotspots (the trees) in the gas flow (the sand dune) around a black hole.

The images show that the pulsations are not symmetrical, but are lumpy, with hotspots and clouds ejecting in different directions, and the star contracts and expands every 408 days.

These felsic protocontinents probably formed at hotspots rather than subduction zones, from a variety of sources: igneous differentiation of mafic rocks to produce intermediate and felsic rocks, ...

August 99
Your website, StarChild, is listed in our Hotspots section (our pick of science-related sites) in the New Scientist website. This website is the online voice of New Scientist magazine, the world's leading science & technology weekly.

These 'Dioxin Hotspots' still pose a heath threat to the surrounding communities. The airbases in Bien Hoa, Da Nang and Phu Cat have been put on a priority list for clean-up or containment by the Vietnamese government.

relationships have been deduced primarily from the locations of gamma ray bursts' points of origin as well as the locations of various remnants of hypernovae, which both tend to be in areas of intensive star formation. Said areas are also hotspots ...

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