One thing I'm considering for my Hard Space setting is a "universal lander" design - a light "small craft", probably with chemical engines (as "nuclear lightbulbs" are risky in an atmosphere) capable of landing on both atmospheric and vacuum worlds of various gravity levels and taking off from them without refueling. This is for use as a general interface craft for the smaller starships which are too small to carry both a spaceplane and a vacuum-world lander.
Is this realistically possible?
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