![\"\"](\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Dynamics-11.png\" "\\"Dynamics")
<\/a><\/p>\n1.\u00a0 How far is a light year? \u00a0 1.\u00a0 How far is a light year? 2.\u00a0 The star Vega is 27 light years from earth. How far away is Vega in metres? 3.\u00a0 The star Pollux is 3\u00b778 x1017\u00a0 m from earth. How far is this in light years? 4.\u00a0 The star Beta Centauri is 300 light years from earth. How long … Continue reading “Signals from Space”<\/span><\/a><\/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-5","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/5","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=5"}],"version-history":[{"count":8,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/5\/revisions"}],"predecessor-version":[{"id":47,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/5\/revisions\/47"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/media?parent=5"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n2.\u00a0 The star Vega is 27 light years from earth. How far away is Vega in metres?
\n3.\u00a0 The star Pollux is 3\u00b778 x1017\u00a0 <\/sup>m from earth. How far is this in light years?
\n4.\u00a0 The star Beta Centauri is 300 light years from earth. How long does it take light to travel from this star to the earth?
\n5.\u00a0 An astronomer on Earth views the planet Pluto through a telescope. Pluto is 5 763 x 106<\/sup> km from earth. How long did it take for the light from Pluto to reach the telescope?
\n6.\u00a0 Our galaxy, the Milky Way, is approximately 100 000 light years in diameter. How wide is our galaxy in kilometres?
\n7.\u00a0 The nearest star to our solar system is Proxima Centuri which is 3\u00b799 x1016<\/sup> m away. How far is this in light years?
\n8.\u00a0 Andromeda (M31) is the nearest galaxy to the Milky Way and can just be seen with the naked eye.
\nAndromeda is 2\u00b71 x 1022\u00a0 <\/sup>m away from the Milky Way. How long does it take for light from Andromeda to reach our galaxy?
\n9.\u00a0 The Sun is the nearest star to the planet Earth. It takes light 8\u00b73 minutes to reach us from the Sun. Use this information to find out the distance from the Earth to the Sun in kilometres?
\n10.\u00a0 Sir William Herschel, an amateur astronomer, discovered the planet Uranus in March 1781. Uranus is 2 871 x 106<\/sup> km away from the sun. How long does it take for sunlight to reach Uranus?<\/p>\n","protected":false},"excerpt":{"rendered":"