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螺旋星云
释义
螺旋星云
Encyclopedia
理学
行星状星云
释
Helix Nebula
螺旋星云
位于宝瓶座,标准历元J2000的赤经22h29m38.54s,赤纬-20°50′13.64″的行星状星云。《星云星团新总表》中的编号为NGC7293,是离地球最近最明亮的行星状星云。
Astronomy
Helix Nebula
螺旋星云
随便看
fishery meteorology
Fishery Modernization
fishery mothership
fishery optimum sustainable yield
fishery organism habitat disturbance
fishery organism habitat loss
fishery organism toxicity test
fishery products nutrition and quality
fishery proverb
fishery radio frequency identification
fishery refrigerating equipment
fishery remote sensing technology
fishery replenishment vessel
fishery resource research ship
fishery resources
fishery resources management
fishery right
fishery ropes
Fishery Scientific Data Sharing Platform
fishery societies at provincial levels
fishery species
fishery species diversity
fishery statistics
fishery tax
fishery taxes
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更新时间:2026/6/21 18:26:20