We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and ...
"Originally ... appeared as the journal Astronomy and Astrophysics, volume 187, number 1 and 2"--T.p. verso. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile ...
(NEXSTAR) — Skywatcher or not, you’ve likely heard of Halley’s comet. As popular as it is, however, seeing it may be a once-in-a-lifetime occurrence for some. The comet, often referred to as just ...