This post, which is the latest in my series on cosmology, is about the ultimate fate of the Universe, a subject which has engaged scientists, philosophers and religious leaders for centuries. There are many possible endings to the Universe, but the outline I will present here, which is sometimes called "The Big Freeze", is the most commonly held… Continue reading Ultimate Fate of the Universe.
Tag: Astronomy
Astronomy Items
The Future of humanity
As described in my previous post (The Future of the Sun), in about 5 billion years time the Sun will swell up to at least 100 times its current diameter and this will make the surface of the Earth far too hot to sustain life. What Sunrise might look like when the Sun is a red… Continue reading The Future of humanity
The Future of the Sun
The Sun, central to our Solar System, generates energy through nuclear fusion, combining hydrogen into helium. Over billions of years, it will evolve into a red giant, ultimately shedding outer layers to form a planetary nebula and becoming a white dwarf. Life on Earth will become uninhabitable well before these changes occur.
Easter Sunday 5-th April
This year, for the majority of Christians, Sunday 5 April will be Easter Sunday, which is one of the most of the most important dates in the Christian calendar. The Pope giving his traditional Easter message. In addition Easter is also widely marked by non Christians. In many countries chocolate Easter Eggs and Easter Bunnies are bought… Continue reading Easter Sunday 5-th April
Solar Eclipse 20 March
Some of us living in the Northern Hemisphere will be able to view a solar eclipse on Friday 20 March 2015. Most people will only see a partial eclipse, but some lucky people living in a particular region will experience a total eclipse. When this happens the Sun is completely obscured and it goes dark during the period… Continue reading Solar Eclipse 20 March
Explaining Science 