LONDON—The wine is out of this world. The price is appropriately stratospheric. Christie’s said Tuesday it is selling a bottle of French wine that spent more than a year in orbit aboard the International Space Station. The auction house thinks a wine connoisseur might pay as much as $1 million to own it. The Pétrus 2000 is one of 12 bottles sent into space in November 2019 by researchers exploring the potential for extraterrestrial agriculture. It returned 14 months later subtly altered, according to wine experts who sampled it at a tasting in France. Tim Tiptree, international director of Christie’s wine and spirits department, said the space-aged wine was “matured in a unique environment” of near zero-gravity aboard the space station. The trip turned a $10,000-a-bottle wine known for its complexity, silky, ripe tannins, and flavors of black cherry, cigar box, and leather into a scientific novelty—and still a fine …