Astronomical Concepts – Week 7

This week - special relativity. We started with the two main axioms of special relativity: The laws of physics are the same in all inertial frames of reference The speed of light is constant (299,792,458 m/s) Tonight we had to imagine we were floating through space in a spaceship. Are we stationary or are we … Continue reading Astronomical Concepts – Week 7

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Astronomical Concepts – Week 6

This weeks topic was the stars. Their are billions of stars in our galaxy and there are billions of galaxies in the universe. There is an unbelievably huge amount of stars out there and the stars are separated by huge distances. How do we measure the distances to the stars? The closest star to Earth … Continue reading Astronomical Concepts – Week 6

Astronomical Concepts – Week 4

This week's main topic was light. James Maxwell James Maxwell was a Scottish scientist who lived from 1831 to 1879. He is well known for the research he did on electromagnetism and light, building on the work of Michael Faraday. He produced a set of equations that explain the properties of magnetic and electric fields … Continue reading Astronomical Concepts – Week 4

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

Astronomical Concepts – Week 2

The main topics this week were the solar system, gravity and the tidal effect. I have previously written on my blog about the solar system so for this entry I will just write about gravity and the tidal effect. The two main theories of gravity come from Isaac Newton and Albert Einstein, both are used … Continue reading Astronomical Concepts – Week 2