Talk:obliquity
Latest comment: 6 years ago by Equinox in topic obliquity of the ecliptic
From Chambers 1908: "the angle between the plane of the earth's orbit and that of the earth's equator". I'm not sure whether that's a transparent sum of parts or merits an entry. Equinox ◑ 08:04, 6 January 2018 (UTC)