Goh Cheng Leong Chapter 1 YouTube Lecture Handouts
Download PDF of This Page (Size: 290K) ↧
Get video tutorial on: https://www.YouTube.com/c/Examrace
Watch Video Lecture on YouTube: Goh Cheng Leong Chapter 1: The Earth and the Universe
Goh Cheng Leong Chapter 1: The Earth and the Universe
Universe
-
Galaxy – stars in clusters
-
Milky Way – 100,000 million stars
-
Light from nearest star – 4 years
-
Light from sun – 8 minutes
-
Light from moon – a second
Solar System
-
Sun – temperature 6000℃ to 20 million ℃; 3 lakh times larger than earth
-
Mercury – smallest, closest, 36 million miles, 88 days revolution
-
Venus – twin planet of earth
-
Earth – satellite moon (revolves eastward once in 27 days)
-
Mars – dark patches
Solar System
-
Jupiter – Largest; hydrogen, helium and methane, circular light, dark band, 12 satellites, very cold (-130)
-
Saturn – 3 rings, 9 satellites, second largest, revolution takes 29.5 years
-
Uranus – bluish-green, 50 times large and 15 times heavy, 5 satellites, orbits east to west
-
Neptune – 2 satellites, colder
-
Pluto – planetoid, orbits in 247 years
Shape of Earth
-
Equatorial circumference: 24,897 miles
-
Polar circumference is less by 83 miles
-
Equatorial diameter: 7,926 miles
-
Polar diameter is shorter by 26 miles
-
Geoid shape
Evidence of Sphericity
-
Circum-navigation of Earth
-
Circular Horizon
-
Ship’s Visibility
-
Sunrise and Sunset
-
Lunar Eclipse
-
Spherical planetary bodies
-
Driving poles on level ground on curved earth
-
Aerial photographs
Earth’S Movement
-
Rotation – from west to east
-
Revolution – 18.5 miles per second, completes in 365 days, axis is inclined at
Mathematical Calculation of Location
-
Latitude – angular distance in degree from center of earth - parallels
-
Longitude – angular distance along equator – meridian
Longitude and Time
-
-
-
-
EGA
-
WLS

Longitude and Time of Goh Cheng Leong Image - 1
Longitude And Time of Goh Cheng Leong Image - 1

Longitude and Time of Goh Cheng Leong Image - 2
Longitude And Time of Goh Cheng Leong Image - 2

International Dateline of Goh Cheng Leong Image- 3
International Dateline of Goh Cheng Leong Image- 3

International Dateline of Goh Cheng Leong Image- 4
International Dateline of Goh Cheng Leong Image- 4
-Manishika