Edexcel IGCSE Physics 復習筆記 8.3.3 Galactic Red-shift
Edexcel IGCSE Physics 復習筆記 8.3.3 Galactic Red-shift Galactic Red-shift The Doppler effect affects all types of waves, including?light Light emitted from stars and galaxies will be at a c...
Edexcel IGCSE Physics 復習筆記 8.3.2 Doppler Shift
Edexcel IGCSE Physics 復習筆記 8.3.2 Doppler Shift The Doppler Effect Usually, when an object emits waves, the wavefronts spread out?symmetrically If the wave source moves, the waves can bec...
Edexcel IGCSE Physics 復習筆記 8.3.1 The Big Bang Theory
Edexcel IGCSE Physics 復習筆記 8.3.1 The Big Bang Theory The Big Bang Theory Around?14 billion years ago,?the Universe began from a?very small region?that was?extremely hot?and?dense Then th...
Edexcel IGCSE Physics 復習筆記 8.2.5 Hertzsprung-Russell Diagrams
Edexcel IGCSE Physics 復習筆記 8.2.5 Hertzsprung-Russell Diagrams Hertzsprung-Russell Diagrams Stars are classified using the Hertzsprung-Russell (HR) diagram This is a plot of: The?luminosi...
Edexcel IGCSE Physics 復習筆記 8.2.4 The Brightness of Stars
Edexcel IGCSE Physics 復習筆記 8.2.4 The Brightness of Stars Absolute Magnitude Astronomers measure the brightness of stars at a standard distance using the?absolute?magnitude scale This is ...
IB DP Maths: AI HL復習筆記5.7.2 Second Order Differential Equations
Euler's Method: Second Order How do I apply Euler’s method to second order differential equations? A?second order differential equation?is a differential equation containing one or more second deri...
2022年John Locke寫作比賽全球論文Shortlist獲獎放榜！恭喜翰林45位學員入圍
“殿堂級”學術寫作比賽——John Locke 2022年全球論文Shortlist獲獎放榜 恭喜翰林及達文（文科學術活動獨家合作品牌） 共 45 位學員成功入圍 更多戰績更新中…… John Locke對學生寫作要求鉸高 各位同學的努力獲得不菲...
Edexcel IGCSE Physics 復習筆記 8.2.3 The Life Cycle of Larger Stars
Edexcel IGCSE Physics 復習筆記 8.2.3 The Life Cycle of Larger Stars The Life Cycle of Larger Stars A?large star?is one that is much?larger?than the?Sun Stars that are larger than the Sun hav...
Edexcel IGCSE Physics 復習筆記 8.2.2 The Life Cycle of Solar Mass Stars
Edexcel IGCSE Physics 復習筆記 8.2.2 The Life Cycle of Solar Mass Stars The Life Cycle of Solar Mass Stars 1. Nebula All stars form from a giant cloud of?hydrogen gas?and?dust?called a?nebul...
Edexcel IGCSE Physics 復習筆記 8.2.1 Classification of Stars
Edexcel IGCSE Physics 復習筆記 8.2.1 Classification of Stars Classification of Stars Stars come in a wide range of sizes and colours, from yellow stars to red dwarfs, from blue giants to red...
Edexcel IGCSE Physics 復習筆記 8.1.4 Orbital Period
Edexcel IGCSE Physics 復習筆記 8.1.4 Orbital Period Calculating Orbital Period When planets move around the Sun, or a moon moves around a planet, they orbit in?circular motion This means tha...
Edexcel IGCSE Physics 復習筆記 8.1.3 Orbital Motion
Edexcel IGCSE Physics 復習筆記 8.1.3 Orbital Motion Orbital Motion There are many orbiting objects in our solar system and they each orbit a different type of planetary body Orbiting ...
