On the 11th of February 2016, the Laser Interferometer Gravitational Wave Observatory (LIGO) announced that they had detected the first evidence of the existence of gravitational waves the previous September. At the time this was a massive triumph for the team that observed them and made headlines worldwide. So what are gravitational waves? In 1916, … Continue reading Gravitational Waves
Sagittarius lies at the centre of the galaxy and is represented in mythology as a Centaur pulling back a bow. From the northern hemisphere, the brighter stars are easily recognised from an asterism known as the teapot. The brightest star in Sagittarius is Epsilon, a rapidly spinning binary star. At 143 light years from us, … Continue reading The Constellation Sagittarius
Scorpius, more commonly known as Scorpio in astrology, lies between Libra and Sagittarius on the Sun's journey of the ecliptic. Although the constellation is seldom called Scorpius officially, it is the correct name. The sun is only within the bounds of Scorpius for 6 days from November the 23rd until the 28th.Scorpius is Latin for … Continue reading The Constellation Scorpius
The name Pisces comes from the Latin plural for fish and easily seen with the naked eye. It lies between Aquarius to the west and Aries to the east. Pisces was known in ancient times and the ancient Greeks associated Pisces with Aphrodite and Eros. To escape the demon Typhon, they jumped into the sea … Continue reading The Constellation Pisces
They don't.... Jude Morrow
One of the biggest misconceptions about our night sky is that Polaris, commonly known as the North Star, is the brightest star in the Earth Sky. The truth is, it is between the 45th and 50th. That title of the brightest star in the sky belongs to Sirius. To the naked eye Sirius is a … Continue reading Sirius : The Brightest Star in The Sky.
Winter is here and with that brings what we believe to be freezing cold weather. The freezing point of water and what we interpret to be freezing is 0 degrees. This isn't absolute cold as there are negative temperatures both in the Fahrenheit and degrees selsius scales. To get to absolute cold we need to … Continue reading Absolute Cold