{"id":76,"date":"2014-11-11T10:14:27","date_gmt":"2014-11-11T10:14:27","guid":{"rendered":"http:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/?page_id=76"},"modified":"2014-11-11T10:14:32","modified_gmt":"2014-11-11T10:14:32","slug":"cosmology-summar-s3","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/cosmology-summar-s3\/","title":{"rendered":"Cosmology Summary (S3)"},"content":{"rendered":"<p style=\"text-align: left\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Definitions.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-54\" title=\"Definitions\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Definitions.png\" alt=\"\" width=\"634\" height=\"284\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Definitions.png 905w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Definitions-300x134.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEN3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDU%2BX5nU%2F85801ZpLdKh0wzp2S2dwe5FA6uUb9mzAWw8wIgdsBThTYuuT6CxZ%2Fk80x%2FWNt0BjaVC%2BYmAwPJ7wyoF8wqwgUIpv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJpfbe5dFz%2FR5EiJHSqWBRnN72FE8X2mwgjLk%2BKnTYBfL5DAfKXG%2FRDEGYfj7o2i79B7NgoulFYZKW02fqfNz7e2BxcCoTE%2BBFVncPpPrGLPJc%2Fv55BRfLoLq1k3G5Ct2dSN16SyC2nJGKa5QjIL2qXkSiigwLBDKc4D%2FMSk8m838k0NNksScb1U04YKicR7dbDAZq%2Brlj3BHMrMLZnm0wrzHuK3%2F1P1uIHltPROlvUD55qMLyIaIdk0cgNb%2FtUb%2BodBubKY4KQn154t1biHUPL5gC0lc9Dc%2F9CkJYGPZdBwEymByGz5o%2BpUTth%2BZ4iT%2B7GPf7SqS2mRc2uxHbSRrzZXUWtajwQBLUwP%2FToPNZ7zZ22TufnW6UhgD5dCJy5%2BMjlA1bFfnNE9pYNnPrxbyn%2BP1FGoZnpkRDp8z3aLF2H%2FZTNchz8mCPXoGJMLS%2FREtmhQ7B7Ej4lrbri7PtKOMHbcuThUN1Hu2qBZdDUCz%2BIlnwjdM4SqxVXjSsOLAmG6cyUBJwrPpF4fyzcVRfbCMlaiAtqdZ27U9jYe70P8PQcdab6DaE7PG4DDaKWfWNKkLdS8omSXqL%2FupNrddkUkpApOnL7f5F6rBITEZ77yvZVLiqxXvdThsfEVcyQxmPyGsd1IQHp5c1uIauiux1bqEB3AEP%2FAaHxGj7bv%2FrRwj%2BUdaR5e%2BCK4LMBdVU3jB5BfBsLSDgwOx0KCraAJvu0nBzXweGiH3NFToNOpqlqq3GY9HlEMgCbwopjb03%2BXyeZurnsgQ4ND5a91j0iiFFyMCiR9KrpOC492vJs9s%2BTQYRYmYfXScaRIIVFNUwzvuvNvzhv8LUF5EiLL%2FJh22afGQ4xyfIuuDlLyCUBmNCyiuKnePhCn58ceICI4YTtyuifQ%2FoRgmHI%2BMK3xptAGOrEBWBtkl1SN1UnugZR1BzxDIbmaPs0XvMMAy44i%2B%2FJYE%2FIrTdaYay2hTIqfxn2dndkeZyieXBnqcylr5sVJRzUHaiL%2FpsdHfdjBDCmGiZgBfyCxiHvu7X5Bzqll7Mgv6mbIZ%2FH0oL5CaudIh5lDmtyeGG8vpwnYo8xgkTgGFsT8zntMetDwOQ53XFO2Q72Ui0jty47jfQEUqvVdTV5Y4ao3p%2BpvR4KTFiZsTiwk2xnLKgnR&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6W7QVM3Z%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T130701Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=065e43e1928be298c69c5e1480b22ff0dfdc25fdb136e121fe87a488f6c27181 300w\" sizes=\"auto, (max-width: 634px) 85vw, 634px\" \/><\/a><\/p>\n<h1>Light year <\/h1>\n<p>This is the <strong>distance<\/strong> that light can travel in one year.  We use light years to describe distances in space physics because otherwise the numbers would be ridiculously large.<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-61\" title=\"Picture3\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture3.png\" alt=\"\" width=\"597\" height=\"155\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture3.png 995w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture3-300x78.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEN3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDU%2BX5nU%2F85801ZpLdKh0wzp2S2dwe5FA6uUb9mzAWw8wIgdsBThTYuuT6CxZ%2Fk80x%2FWNt0BjaVC%2BYmAwPJ7wyoF8wqwgUIpv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJpfbe5dFz%2FR5EiJHSqWBRnN72FE8X2mwgjLk%2BKnTYBfL5DAfKXG%2FRDEGYfj7o2i79B7NgoulFYZKW02fqfNz7e2BxcCoTE%2BBFVncPpPrGLPJc%2Fv55BRfLoLq1k3G5Ct2dSN16SyC2nJGKa5QjIL2qXkSiigwLBDKc4D%2FMSk8m838k0NNksScb1U04YKicR7dbDAZq%2Brlj3BHMrMLZnm0wrzHuK3%2F1P1uIHltPROlvUD55qMLyIaIdk0cgNb%2FtUb%2BodBubKY4KQn154t1biHUPL5gC0lc9Dc%2F9CkJYGPZdBwEymByGz5o%2BpUTth%2BZ4iT%2B7GPf7SqS2mRc2uxHbSRrzZXUWtajwQBLUwP%2FToPNZ7zZ22TufnW6UhgD5dCJy5%2BMjlA1bFfnNE9pYNnPrxbyn%2BP1FGoZnpkRDp8z3aLF2H%2FZTNchz8mCPXoGJMLS%2FREtmhQ7B7Ej4lrbri7PtKOMHbcuThUN1Hu2qBZdDUCz%2BIlnwjdM4SqxVXjSsOLAmG6cyUBJwrPpF4fyzcVRfbCMlaiAtqdZ27U9jYe70P8PQcdab6DaE7PG4DDaKWfWNKkLdS8omSXqL%2FupNrddkUkpApOnL7f5F6rBITEZ77yvZVLiqxXvdThsfEVcyQxmPyGsd1IQHp5c1uIauiux1bqEB3AEP%2FAaHxGj7bv%2FrRwj%2BUdaR5e%2BCK4LMBdVU3jB5BfBsLSDgwOx0KCraAJvu0nBzXweGiH3NFToNOpqlqq3GY9HlEMgCbwopjb03%2BXyeZurnsgQ4ND5a91j0iiFFyMCiR9KrpOC492vJs9s%2BTQYRYmYfXScaRIIVFNUwzvuvNvzhv8LUF5EiLL%2FJh22afGQ4xyfIuuDlLyCUBmNCyiuKnePhCn58ceICI4YTtyuifQ%2FoRgmHI%2BMK3xptAGOrEBWBtkl1SN1UnugZR1BzxDIbmaPs0XvMMAy44i%2B%2FJYE%2FIrTdaYay2hTIqfxn2dndkeZyieXBnqcylr5sVJRzUHaiL%2FpsdHfdjBDCmGiZgBfyCxiHvu7X5Bzqll7Mgv6mbIZ%2FH0oL5CaudIh5lDmtyeGG8vpwnYo8xgkTgGFsT8zntMetDwOQ53XFO2Q72Ui0jty47jfQEUqvVdTV5Y4ao3p%2BpvR4KTFiZsTiwk2xnLKgnR&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6W7QVM3Z%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T130701Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=c0e988eb9b53e0e745bb87fab2b88815f478f4deda0ba0a39a92c9031ec59ff7 300w\" sizes=\"auto, (max-width: 597px) 85vw, 597px\" \/><\/a><\/p>\n<p>The following table give some information about the time taken for light to cover different distances (interest only \u2013 no need to learn values)<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-62\" title=\"Picture4\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture4.png\" alt=\"\" width=\"383\" height=\"120\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture4.png 639w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture4-300x93.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEN3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDU%2BX5nU%2F85801ZpLdKh0wzp2S2dwe5FA6uUb9mzAWw8wIgdsBThTYuuT6CxZ%2Fk80x%2FWNt0BjaVC%2BYmAwPJ7wyoF8wqwgUIpv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJpfbe5dFz%2FR5EiJHSqWBRnN72FE8X2mwgjLk%2BKnTYBfL5DAfKXG%2FRDEGYfj7o2i79B7NgoulFYZKW02fqfNz7e2BxcCoTE%2BBFVncPpPrGLPJc%2Fv55BRfLoLq1k3G5Ct2dSN16SyC2nJGKa5QjIL2qXkSiigwLBDKc4D%2FMSk8m838k0NNksScb1U04YKicR7dbDAZq%2Brlj3BHMrMLZnm0wrzHuK3%2F1P1uIHltPROlvUD55qMLyIaIdk0cgNb%2FtUb%2BodBubKY4KQn154t1biHUPL5gC0lc9Dc%2F9CkJYGPZdBwEymByGz5o%2BpUTth%2BZ4iT%2B7GPf7SqS2mRc2uxHbSRrzZXUWtajwQBLUwP%2FToPNZ7zZ22TufnW6UhgD5dCJy5%2BMjlA1bFfnNE9pYNnPrxbyn%2BP1FGoZnpkRDp8z3aLF2H%2FZTNchz8mCPXoGJMLS%2FREtmhQ7B7Ej4lrbri7PtKOMHbcuThUN1Hu2qBZdDUCz%2BIlnwjdM4SqxVXjSsOLAmG6cyUBJwrPpF4fyzcVRfbCMlaiAtqdZ27U9jYe70P8PQcdab6DaE7PG4DDaKWfWNKkLdS8omSXqL%2FupNrddkUkpApOnL7f5F6rBITEZ77yvZVLiqxXvdThsfEVcyQxmPyGsd1IQHp5c1uIauiux1bqEB3AEP%2FAaHxGj7bv%2FrRwj%2BUdaR5e%2BCK4LMBdVU3jB5BfBsLSDgwOx0KCraAJvu0nBzXweGiH3NFToNOpqlqq3GY9HlEMgCbwopjb03%2BXyeZurnsgQ4ND5a91j0iiFFyMCiR9KrpOC492vJs9s%2BTQYRYmYfXScaRIIVFNUwzvuvNvzhv8LUF5EiLL%2FJh22afGQ4xyfIuuDlLyCUBmNCyiuKnePhCn58ceICI4YTtyuifQ%2FoRgmHI%2BMK3xptAGOrEBWBtkl1SN1UnugZR1BzxDIbmaPs0XvMMAy44i%2B%2FJYE%2FIrTdaYay2hTIqfxn2dndkeZyieXBnqcylr5sVJRzUHaiL%2FpsdHfdjBDCmGiZgBfyCxiHvu7X5Bzqll7Mgv6mbIZ%2FH0oL5CaudIh5lDmtyeGG8vpwnYo8xgkTgGFsT8zntMetDwOQ53XFO2Q72Ui0jty47jfQEUqvVdTV5Y4ao3p%2BpvR4KTFiZsTiwk2xnLKgnR&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6W7QVM3Z%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T130701Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=3c2e6489719d0538f7f229e0ee8cb24cccb7926abcd1c3ec52f49d42be82627e 300w\" sizes=\"auto, (max-width: 383px) 85vw, 383px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Light year This is the distance that light can travel in one year. We use light years to describe distances in space physics because otherwise the numbers would be ridiculously large. The following table give some information about the time taken for light to cover different distances (interest only \u2013 no need to learn values)<\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-76","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/76","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/comments?post=76"}],"version-history":[{"count":2,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/76\/revisions"}],"predecessor-version":[{"id":78,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/76\/revisions\/78"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/media?parent=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}