{"product_id":"double-stars-greetings-card","title":"Double Stars Greetings Card","description":"\u003cp\u003eAstronomy greeting card illustrating ‘double stars’. Printed in England on an uncoated, light cream 300gsm Italian paper, which is recyclable, biodegradable and FSC certified.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAdapted from Camille Flammarion’s classic\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe Marvels of the Heavens\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(1870). While double stars often occur as binary pairs (two stars bound in gravitational orbit with one another) they can also form optical doubles, whereby two stars at great distance from one another align by chance in the line of sight of the observer. Multiple stars (three or more) are classed in the same way as doubles. Image courtesy The Library of Congress.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAll The Pattern Book's greeting cards are 170mm x 120mm (approx. 5” x 7”) and blank inside, individually wrapped in a compostable wrapper made from plants, with a 100% recycled, 110gsm kraft envelope.\u003c\/span\u003e\u003c\/p\u003e","brand":"The Pattern Book","offers":[{"title":"Default Title","offer_id":53322344628552,"sku":"PB2101","price":3.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/5114\/5032\/files\/PB2210-CamilleFlammarion_sDoubleStarsGreetingsCard-ThePatternBook-Front-5060469102634.webp?v=1781723394","url":"https:\/\/shop.penandpaper.co.uk\/products\/double-stars-greetings-card","provider":"The Pen and Paper Stationery Company","version":"1.0","type":"link"}