{"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=IQoJb3JpZ2luX2VjEPX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQDXOPxd1BpUvb0gvA0nMa4fB2mHbGf94YxPyi%2BIRGYMBQIhAMnoqs2DXEf16OMdFFS6n3qOkivom0xwoij0ESe%2FidvAKsIFCL7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgyqxhCziPYD8FcSgEEqlgXz4ETYtB0aAc1U3a%2FFGUPX0mio1x11FkKpacrd5RHDOnGY7gt89nNJQilsqHsrQvnJgnB38gGqrGDsqb5LKuhhF4gu1d5FCXWleDF7kZvZIZurfuey%2FD1Pq%2BlUpvQBeNyh2MSzoSLznKbrKCDJgMcnT50ZBHPX0ATIFEr8FOrBgxEVw04bf15ZFomWqGn8VtYI0zuEWF4Fpn8zybfbiRhFLDzc9xMelbklErfcfax1o%2B4eZMBF8%2BowVvoPQixHPV5247qUanZE6HnmPGeWhBr637xoJnPK7BMnq7Zz1fi9cW7TB8SKj6IPq8lzs%2BO6wN%2BANU6eH4xmnMCMRX5zvFvzoCL62%2BX%2FpDm7GxjSRrOxvvOEdx4ay3r%2BRxePn6FP5uyfpZRko8KIRtpJunK%2FWgQCaYxESjjf9jwhGVump3Ngw7gE9CEdD2WlBaDiLN2wVgF6luryKQhgt2%2BCPNZMRjaPeB1XcWyZ%2BuCaeq2rjfI6O9D3HHmoZeXB2BrR42nE2djAxNtAzNeUdpA849pyAwFHLgzZT2EganUzSTmmHNpT9K4ww3Rx1w67GLrDf4AOFzi7gwmsDEPbp2H%2BZAxJF8HEkPqDn7PksV0CE5CjcYDSLIcFsoTcfhYg9ebXKGLEu53SZho5CL2irr0n6v5MIDvvSKb3XwdtGm4foLi%2B6G%2BPcpz3q5XYbGo6VS%2FIqh4ugYez8AEgBjZHU8D0Qxu9qRmZoHxuZqZqQi9GjNk7d3OV3LOecf1I%2BjKsSdwLoOmOzbhLU2w4VvSTZTX8i2FNowIZQ32kpB60UES0mYt7xA%2FPXc%2Bo6S2SUALFvTR0CN0oVnam93YQtVDTe2n1Gn3%2FWlNSTA5G21%2FTzIfE8RuG7Wo3X4dGvpFUNDCOz7vPBjqwAeIaIe6oAxsjRo5edqp%2FfZ1QHR3xjTrEjkCd73tQ0sdiPO5T9HdaekzNTCyCBjslbmn5vltgkgYnpQV3MjnGIx4BTVYq6QbtJzIaISdafWJNNsGJ%2FSFs9PJnN8sfMvQ6jjvbEzCA7BZpuQeOCWzYb3DJEOK9ET9lERqJIqcYVwne6reTTj10iEjVm%2FC%2F0pzvSiN2kS8EVSQO7lQbxEk8i1BIwOnC3GqIOlIvDpQJkymG&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7DUDYTJK%2F20260427%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260427T051406Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=49b962b723ccb65e1010948a352b50e138434fc534c3aeb5f76799af700db429 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=IQoJb3JpZ2luX2VjEPX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQDXOPxd1BpUvb0gvA0nMa4fB2mHbGf94YxPyi%2BIRGYMBQIhAMnoqs2DXEf16OMdFFS6n3qOkivom0xwoij0ESe%2FidvAKsIFCL7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgyqxhCziPYD8FcSgEEqlgXz4ETYtB0aAc1U3a%2FFGUPX0mio1x11FkKpacrd5RHDOnGY7gt89nNJQilsqHsrQvnJgnB38gGqrGDsqb5LKuhhF4gu1d5FCXWleDF7kZvZIZurfuey%2FD1Pq%2BlUpvQBeNyh2MSzoSLznKbrKCDJgMcnT50ZBHPX0ATIFEr8FOrBgxEVw04bf15ZFomWqGn8VtYI0zuEWF4Fpn8zybfbiRhFLDzc9xMelbklErfcfax1o%2B4eZMBF8%2BowVvoPQixHPV5247qUanZE6HnmPGeWhBr637xoJnPK7BMnq7Zz1fi9cW7TB8SKj6IPq8lzs%2BO6wN%2BANU6eH4xmnMCMRX5zvFvzoCL62%2BX%2FpDm7GxjSRrOxvvOEdx4ay3r%2BRxePn6FP5uyfpZRko8KIRtpJunK%2FWgQCaYxESjjf9jwhGVump3Ngw7gE9CEdD2WlBaDiLN2wVgF6luryKQhgt2%2BCPNZMRjaPeB1XcWyZ%2BuCaeq2rjfI6O9D3HHmoZeXB2BrR42nE2djAxNtAzNeUdpA849pyAwFHLgzZT2EganUzSTmmHNpT9K4ww3Rx1w67GLrDf4AOFzi7gwmsDEPbp2H%2BZAxJF8HEkPqDn7PksV0CE5CjcYDSLIcFsoTcfhYg9ebXKGLEu53SZho5CL2irr0n6v5MIDvvSKb3XwdtGm4foLi%2B6G%2BPcpz3q5XYbGo6VS%2FIqh4ugYez8AEgBjZHU8D0Qxu9qRmZoHxuZqZqQi9GjNk7d3OV3LOecf1I%2BjKsSdwLoOmOzbhLU2w4VvSTZTX8i2FNowIZQ32kpB60UES0mYt7xA%2FPXc%2Bo6S2SUALFvTR0CN0oVnam93YQtVDTe2n1Gn3%2FWlNSTA5G21%2FTzIfE8RuG7Wo3X4dGvpFUNDCOz7vPBjqwAeIaIe6oAxsjRo5edqp%2FfZ1QHR3xjTrEjkCd73tQ0sdiPO5T9HdaekzNTCyCBjslbmn5vltgkgYnpQV3MjnGIx4BTVYq6QbtJzIaISdafWJNNsGJ%2FSFs9PJnN8sfMvQ6jjvbEzCA7BZpuQeOCWzYb3DJEOK9ET9lERqJIqcYVwne6reTTj10iEjVm%2FC%2F0pzvSiN2kS8EVSQO7lQbxEk8i1BIwOnC3GqIOlIvDpQJkymG&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7DUDYTJK%2F20260427%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260427T051406Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=0a10391ec6887bcd6faf466c7bc77f3da667a290fe26a791fb6597034bee0734 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=IQoJb3JpZ2luX2VjEPX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQDXOPxd1BpUvb0gvA0nMa4fB2mHbGf94YxPyi%2BIRGYMBQIhAMnoqs2DXEf16OMdFFS6n3qOkivom0xwoij0ESe%2FidvAKsIFCL7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgyqxhCziPYD8FcSgEEqlgXz4ETYtB0aAc1U3a%2FFGUPX0mio1x11FkKpacrd5RHDOnGY7gt89nNJQilsqHsrQvnJgnB38gGqrGDsqb5LKuhhF4gu1d5FCXWleDF7kZvZIZurfuey%2FD1Pq%2BlUpvQBeNyh2MSzoSLznKbrKCDJgMcnT50ZBHPX0ATIFEr8FOrBgxEVw04bf15ZFomWqGn8VtYI0zuEWF4Fpn8zybfbiRhFLDzc9xMelbklErfcfax1o%2B4eZMBF8%2BowVvoPQixHPV5247qUanZE6HnmPGeWhBr637xoJnPK7BMnq7Zz1fi9cW7TB8SKj6IPq8lzs%2BO6wN%2BANU6eH4xmnMCMRX5zvFvzoCL62%2BX%2FpDm7GxjSRrOxvvOEdx4ay3r%2BRxePn6FP5uyfpZRko8KIRtpJunK%2FWgQCaYxESjjf9jwhGVump3Ngw7gE9CEdD2WlBaDiLN2wVgF6luryKQhgt2%2BCPNZMRjaPeB1XcWyZ%2BuCaeq2rjfI6O9D3HHmoZeXB2BrR42nE2djAxNtAzNeUdpA849pyAwFHLgzZT2EganUzSTmmHNpT9K4ww3Rx1w67GLrDf4AOFzi7gwmsDEPbp2H%2BZAxJF8HEkPqDn7PksV0CE5CjcYDSLIcFsoTcfhYg9ebXKGLEu53SZho5CL2irr0n6v5MIDvvSKb3XwdtGm4foLi%2B6G%2BPcpz3q5XYbGo6VS%2FIqh4ugYez8AEgBjZHU8D0Qxu9qRmZoHxuZqZqQi9GjNk7d3OV3LOecf1I%2BjKsSdwLoOmOzbhLU2w4VvSTZTX8i2FNowIZQ32kpB60UES0mYt7xA%2FPXc%2Bo6S2SUALFvTR0CN0oVnam93YQtVDTe2n1Gn3%2FWlNSTA5G21%2FTzIfE8RuG7Wo3X4dGvpFUNDCOz7vPBjqwAeIaIe6oAxsjRo5edqp%2FfZ1QHR3xjTrEjkCd73tQ0sdiPO5T9HdaekzNTCyCBjslbmn5vltgkgYnpQV3MjnGIx4BTVYq6QbtJzIaISdafWJNNsGJ%2FSFs9PJnN8sfMvQ6jjvbEzCA7BZpuQeOCWzYb3DJEOK9ET9lERqJIqcYVwne6reTTj10iEjVm%2FC%2F0pzvSiN2kS8EVSQO7lQbxEk8i1BIwOnC3GqIOlIvDpQJkymG&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7DUDYTJK%2F20260427%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260427T051406Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=df7b9c1fbb1a1e60b9ee7cbe0cf6afbf760066ba16acce7f6c7db39c246d85e6 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}]}}