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Trickle-Down Is The Solution（To The Planetary Core Formation Problem）（图）
Trickle-Down The Solution The Planetary Core Formation
2017/12/19
Scientists have long pondered how rocky bodies in the solar system—including our own Earth—got their metal cores. According to research conducted by The University of Texas at Austin, evidence points ...
Collisional evolution and reddening of asteroid surfaces–I. The problem of conflicting time-scales and the role of size-dependent effects
meteorites meteors meteoroids–minor planets asteroids: general
2015/12/25
Space weathering is the generic term used for processes that modify the optical properties of surfaces of atmosphereless rocky bodies under exposure to the space environment. The general agreement abo...
The problem with reddening distances to planetary nebulae
reddening distances planetary nebulae
2009/6/30
The problem with reddening distances to planetary nebulae。