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Expansion Parallax for the Compact Planetary Nebula M2-43
Parallax Compact Planetary Nebula M2-43
2009/6/30
Expansion Parallax for the Compact Planetary Nebula M2-43。
Expansion velocities from different ions of planetary nebulae with [wc]-type central stars
different ions planetary nebulae [wc]-type central stars
2009/6/11
Expansion velocities from different ions of planetary nebulae with [wc]-type central stars。
Flare Ribbon Expansion and Energy Release
Sun:activity Sun:flares chromosphere corona X-rays gamma rays
2009/5/7
We report a detailed examination about the relationship between the evolution of the Hα flare ribbons and the released magnetic energy during the April 10 2001 flare. In the Hα images, sever...