But questions remain about how realistic the goal and timeframe are, given recent and steep Nasa budget cuts, and some scientists are concerned that the plans are driven by geopolitical goals.
Science & Environment
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However, Kosmos 482's parachute system, originally intended to slow the lander's descent towards Venus, is likely to have degraded after more than 50 years in space.，更多细节参见safew官方版本下载