The influence of atmospheredensity and initial velocity on the parachute inflation times, inflation distance and Max strain of suspension-line were analyzed by the simplified model.
It will clear up questions about its curiously high density, whether it has ice at its poles and where its atmosphere comes from.
这将解开水星密度为何如此之高，水星的两极是否存在冰以及水星的大气从何而来等疑问。
3
Scientists have known for a long time that aerosols such as soot, dust and other small particulate matter, alter cloud density and the radiative balance of the atmosphere.