When the “New Horizons” NASA space probe left earth on January 19th 2006, Pluto was the 9th and final planet from the sun. When it finally arrived 9 1/2 years later in July 2015 it wasn’t! By then Pluto had been down graded to a dwarf planet. So what happened to poor old Pluto to diminish it so?
Pioneer 10 was launched on 2 March 1972 and would become the first spacecraft to pass through the asteroid belt found between Mars and Jupiter, and the first to get up close to Jupiter. It was also the first to leave the Solar System and head into deep space.
Science is supposed to be precise in its definitions, proofs and theorems. Its something today that we just expect so it may come as something of a shock that the definition of one of the most fundamental of celestial bodies, a planet, wasn’t actually defined until the 1990’s !
According to the big bang theory, the universe started off as an infinitely small point and expanded incredibly quickly in a process called inflation. But why is the Universe still expanding ?
When we say ‘the Moon’ we don’t mean OUR moon but another in our solar system. Researchers in the U.S. have got a close look at what they’re calling ‘the weirdest moon in the solar system’
In a nutshell … tides are caused by the gravitational attraction between the moon and the Earth. In this article we look at how.
How and when did the Earth acquire the Moon? Much light has been shed since the Apollo moon landings and more recently when super-computers have enabled more detailed modelling to take place.
So here’s a question you might idly contemplate as you lie back one summers evening gazing into star bright night sky watching as the planets, the moon and the stars idly move on by, “Will the Earth ever stop spinning ?”
There are many parts to the nativity story : Shepherds, Angels,Wise men & of course the star. That last part about the Star must be made up surely? … maybe not ! In this article we look at some surprising evidence.
Up until the mid 16th century the predominant view was that the Sun revolved around the Earth. It wasn’t until Nicolaus Copernicus (1473-1543) and later Galileo Galilei (1564–1642) came along that a heliocentric model of the Solar System was able to triumph. In this article we look at the seminal moment our understanding of the Universe changed!