Stars & The Universe IGCSE Physics

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Chapter 6 - Space Physics - Life Cycle of Star, Redshift, Age of Universe

IGCSE Physics Revision Guide 2023 ~ 2025 Syllabus
Chapter 6: Space Physics
Watch this before your exam to get A*.
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Welcome to the #spacephysics revision guide for the IGCSE Physics 2023~2025 syllabus! In this 15-minute video, we will cover all the key points and concepts related to Space Physics, which is a new topic added to the syllabus. Make sure to pay attention, as the points from the specification are highlighted throughout the video.

The video starts with an introduction, followed by an explanation of Earth rotation and the Moon. We will then explore orbital speed and the components of the Solar System. Next, we dive into the Acretion Model and discuss gravitational field strength. Calculation of the speed of light is also included. Moving further, we introduce stars and the universe, exploring the life cycle of a star. The evidence of universe expansion, redshift, and cosmic microwave background radiation are also discussed. We wrap up the video by talking about galactic speed, distance, and the age of the universe.

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Notes and narration by me.

0:00 Introduction
0:21 The Earth rotation
0:53 The Moon
1:17 Orbital Speed
1:49 What is in The Solar System
2:22 Acretion Model
3:19 Gravitational Field Strength
4:53 Speed of Light (Calculation Part)
5:42 Stars & The Universe Intro
6:38 The Life Cycle Of A Star
9:46 Evidence of Universe Expansion
10:14 Redshift
10:55 Cosmis Microwave Background Radiation
11:52 Galactic Speed & Distance
13:17 Age of Universe

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