影响带来
发表于 2025-3-23 11:35:35
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genesis
发表于 2025-3-23 15:22:35
Gas Motions in the Inner Galaxy and the Dynamics of the Galactic Bulge Region,ons from the Galactic plane. Recent work is reviewed that contends that the flow of gas in the inner few kpc is dominated by a rapidly rotating bar, with corotation at . ⋍ 2.4 kpc and oriented at an angle of θ. = 16 ± 2° with the line-of-sight to the Galactic Center..The best evidence in support of
新星
发表于 2025-3-23 18:01:22
Stellar X-Ray Variability as Observed with the ROSAT XRT,iscussed in detail are the white dwarfs Sirius B and V471 Tauri, the flare stars EV Lac and YY Gem, as well as the RS CVn System AR Lac. X-ray flares are reported in the cases of EV Lac and YY Gem, eclipses in the cases of V471 Tauri, YY Gem and AR Lac.
Geyser
发表于 2025-3-24 01:24:09
,M82 — The Bipolar Galaxy, galaxy. They showed that a giant bipolar outflow of gas leaves the central region approximately in a cone aligned with the minor axis, possibly triggered by an explosion in the centre. Polarization of presumably scattered light in the lobes had already been detected by Elvius and Hall (1962). It to
Amylase
发表于 2025-3-24 02:38:15
Variability and VLBI Observations of Extragalactic Radio Sources,ifted Baimer lines, it became clear that these quasi-stellar objects were in fact distant sources with enormous energy outputs. Only two years later, Sholomitskii (1965) detected variations in the radio source CTA 102 on the time scale of a few months; when it was identified with a quasar at redshif
Charitable
发表于 2025-3-24 09:07:12
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显赫的人
发表于 2025-3-24 11:24:24
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Ringworm
发表于 2025-3-24 17:10:38
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完成才会征服
发表于 2025-3-24 21:04:18
Testing Stellar Evolution Theory with Oscillation Frequency Data,of rotation in the sun’s interior are among the important accomplishments of this new field of astronomy called helioseismology. Current status of the observational and theoretical research in the field was recently reviewed by Harvey and Christensen-Dalsgaard , respectively.
确定方向
发表于 2025-3-25 02:29:15
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