000			02863cam a22004093u 4500
001			68686
003			UtSlPG
005			20260610134604.0
006			m
007			cr n
008			260607r20221956utu|||||o|||||||||||||| d
040			_aUtSlPG
041		7	_aen _2iso639-1
050		4	_aPS
100	1		_aLeinster, Murray, _d1896-1975
245	1	0	_aCritical difference
264		1	_aSalt Lake City, UT : _bProject Gutenberg, _c2022
300			_a1 online resource : _bmultiple file formats
336			_atext _btxt _2rdacontent
337			_acomputer _bc _2rdamedia
338			_aonline resource _bcr _2rdacarrier
490	1		_aProduced from Astounding Science Fiction, July 1956
490	1		_aColonial Survey
500			_aRelease date is 2022-08-05
508			_aGreg Weeks, Mary Meehan and the Online Distributed Proofreading Team at http://www.pgdp.net
520			_a"Critical Difference" by Murray Leinster is a science fiction novel written in the mid-20th century. The story revolves around the challenges faced by a Colonial Survey officer named Massy as he undertakes his first independent survey on the icy planet Lani III. The book delves into themes of survival, communication, and the effects of cosmic phenomena on human existence, particularly focusing on a critical drop in solar output affecting the habitability of Lani II, the colony's home planet. The narrative follows Massy's journey as he discovers alarming signals indicating that the solar constant is rapidly decreasing due to coinciding sunspot cycles. This trend poses an existential threat not only to the inhabitants of Lani III but also to his home world, Lani II. As conditions worsen, Massy, alongside a small group of colonists including the determined Riki Herndon, devises a plan to release metallic vapor clouds into the atmosphere to capture solar energy, serving as a makeshift shield against the intense cold. Through a combination of ingenuity, teamwork, and an evolving sense of responsibility toward his fellow colonists, Massy strives to create a viable future for them as he navigates personal connections, particularly with Riki, amidst the imminent cosmic peril. The story culminates in a hopeful transformation of Lani III, setting the stage for a potential revival of life in harsh conditions. (This is an automatically generated summary.)
534			_pOriginally published: _cUnited States: Street & Smith Publications, Inc., 1956
653			_aScience fiction
653			_aMan-woman relationships -- Fiction
653			_aLife on other planets -- Fiction
653			_aSpace colonies -- Fiction
653			_aClimate change mitigation -- Fiction
700	1		_aVan Dongen, H. R., _d1920-2010
830		0	_aProduced from Astounding Science Fiction, July 1956
830		0	_aColonial Survey
856	4	0	_uhttps://www.gutenberg.org/ebooks/68686
999			_c109490 _d109490