Astronomical Concepts – Week 8 (Final)

For this final week of the course the focus was cosmology. The main topics of learning we looked at included: Galaxies Quasars Dark matter Dark energy The Big Bang Theory Gravity Expansion of the universe and inflation Galaxies There are three main types of galaxy: spiral, elliptical and irregular. Our Milky Way galaxy is a … Continue reading Astronomical Concepts – Week 8 (Final)


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