A Galactic Quiz - Test Your Knowledge of These "Island Universes"!
There are more galaxies in the Universe than there are stars in our Milky Way. And, they come in all shapes and sizes. What do you know about the …
Continue ReadingThere are more galaxies in the Universe than there are stars in our Milky Way. And, they come in all shapes and sizes. What do you know about the …
Continue ReadingThere is violence in the Milky Way. Stars are exploding. They are consuming each other. They are having tugs of war with each other’s mass. …
Continue ReadingWrap up warm, grab your binoculars and focus on two of the most spectacular open clusters in the winter sky: the Hyades and the Pleiades.
Continue ReadingWant to learn about black holes? This is a collection of articles to help you to understand the formation and structure of black holes, and the …
Continue ReadingThe Universe is incredibly large. Vast empty stretches of space are dotted with a wide array of galaxies – huge cities of stars, each containing …
Continue ReadingClouds of ionized hydrogen are commonly found in spiral and irregular galaxies. These fascinating regions in space consist of thousands of stars. Find …
Continue ReadingAstronomy in Ancient Mesopotamia was as much a mixture of religion and astrology as it was a science, but its methods had a significant influence on …
Continue ReadingOn August 5, Juno began a five year flight to Jupiter. On arrival, it will spend a year making measurements of the gas giant’s magnetic, gravity and …
Continue ReadingTitania is one of the largest and most distant moons of our Solar System. Its existence arouses mystery and wonder since no specific mission has ever …
Continue ReadingYou could be forgiven for thinking that the 1st Astronomer Royal, John Flamsteed (1675-1719), was the first professional astronomer. In fact 160 years …
Continue ReadingHow much do we know about the Universe beyond our own galaxy? What can astronomy tell us about black holes, quasars and the origins of the Universe?
Continue ReadingSaturn has many fascinating moons and Tethys is no exception. Two massive surface features, a body of nearly pure water ice and two Trojan companions …
Continue Reading