Measuring Distances Beyond the Solar SNC 1D Read pp. 365-369 System (9.1) Define light year (ly). Complete the following table involving distances. Equivalent distance in SI unit of distance metres (m) kilometres (km) 1 km 1 km 1 AU 1 ly The equations to convert between light years and kilometres are: OR How far from Earth is the nearest star, Alpha Centauri? _________________ How far from Earth is the nearest spiral galaxy, Andromeda? ___________________ What is and what can it be used for? parallax Text Questions: p. 369 # 1, 2, 3, 11
SNC 1D Measuring Distances Beyond the Solar System (9.1) Read pp. 365-369 Define light year (ly). Complete the following table involving distances. SI unit of distance Equivalent distance in metres (m) kilometres (km) 1 km 1 km 1 AU 1 ly The equations to convert between light years and kilometres are: OR How far from Earth is the nearest star, Alpha Centauri? _________________ How far from Earth is the nearest spiral galaxy, Andromeda? ___________________ What is parallax and what can it be used for? Text Questions: p. 369 # 1, 2, 3, 11
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