Ophiuchus the Snake Bearer represents the healer Asclepius who was a god of healing in classical times. He was associated with snakes – symbols of wisdom and regeneration – and in the sky he's entwined with Serpens. Here's a selection of some of points of interest in his constellation.
Snakes were revered in ancient Greece. They represented wisdom, healing and rebirth. The constellation Serpens was included in a star catalog in the 2nd century, but it's much older than that. Seen through telescopes, it's rich in deep sky objects. Here's a tour of some of the highlights.
Nebulae are titanic clouds of gas and dust – celestial gossamer in the spaces between the stars. They're stellar nurseries, stellar graveyards and dark constellations. Some of their mysteries have been penetrated by infrared telescopes, but the cloaking dust still keeps some secrets.
Astronomy is an ancient science, and today a popular profession and pastime. But what attracts people to astronomy? What's special about it? Here are some answers to this question in the words of astronomers through the ages.
Edward Pickering was a leading light of 19th century astronomy who made the Harvard College Observatory into an institution with an international reputation. He was honored for his work by scientific societies in several countries, but his name is now known from his employing “Pickering's harem”.
The Space Age has changed the way we communicate, and in 1962 Telstar was the herald of this change. It was an experimental satellite, but it helped to make the world more intimate. Telstar was disabled by nuclear testing, but it lives on in a pop song and modern telecom satellites.
What links the USA's Independence Day holiday, the Crab Nebula and NASA's Deep Impact spacecraft? What links the American War of Independence with the planet Uranus? And what is the Fireworks Galaxy? Here's the story.
Henrietta Leavitt isn't a well known name, but a century ago she made one of the most important discoveries of 20th century astronomy. Previously, astronomers could only measure distances up to 100 light years, but her work extended that to 10 million light years.
What would it be like to leave Earth's protective embrace and journey to an alien world? Only twenty-four men have ever experienced this - Apollo astronauts. "In the Shadow of the Moon" uses original footage & astronaut interviews to tell the story of one of the defining events of human history.