{"product_id":"ecce-coelum-or-parish-astronomy-in-six-lectures","title":"Ecce Coelum; or, Parish Astronomy. In Six Lectures","description":"198 pp. CONTENTS: Preparatory: Uses; History; Instruments of Investigation. The Sky: Aspect; Nature; Nature of Contents; Arrangement of Contents. Satellite Systems: Diurnal Revolutions; Mutual Distance; Shapes and Sizes; Mutual Gravitations; Masses and Densities; Orbits; Mutual Aspects. Planet Systems: Order of Bodies; Periods; Distances from Sun; Shapes and Inclinations of Orbits; Sizes; Velocities; Masses and Densities; Perturbations. Higher Systems: Sun Systems; Group Systems; Cluster Systems; Nebula Systems; Ulterior Systems; Ultimate System. Author of Nature: Vastness; Variety in Unity; Finish of Minima; Wisdom; Dynamics; Relation to law; Relation to Time and Motion; Mystery.","brand":"Noyes, Holmes and Company","offers":[{"title":"Default Title","offer_id":31431861043270,"sku":"2302752","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/products\/2302752.jpg?v=1584474479","url":"https:\/\/ym-demo.myshopify.com\/products\/ecce-coelum-or-parish-astronomy-in-six-lectures","provider":"Yesterday's Muse","version":"1.0","type":"link"}