Astronomical Concepts – Week 3

The main theme of this week's session was the outer part of our solar system. This includes: Jupiter Saturn Uranus Neptune Pluto Asteroids Comets Oort Cloud Kuiper Belt Oort Cloud This has never been directly observed but it is believed to exist and it is an area of space on the edge of our solar … Continue reading Astronomical Concepts – Week 3

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Exploring the Heavens – Week 1

On Tuesday 3 May I attended the first week of my new course on astronomy at Sydney Observatory. The course is titled 'Exploring the Heavens' and is led by Dr Paul Payne. The structure of the course is as follows: History of Astronomy Celestial rhythms The solar system The stars Telescopes So the course started … Continue reading Exploring the Heavens – Week 1

5 cool facts about our planets…

5. Venus rotates in the opposite direction to Earth so the Sun rises in the west and sets in the east. It also rotates very slowly so its days and nights are very long. 4. The 'no atmosphere' temperature of Earth is 3 degrees Fahrenheit (-16 Celsius). Without the Greenhouse Effect our oceans would freeze … Continue reading 5 cool facts about our planets…