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Ill omens, objects of fascination, bringers of life, key to the ancient history of the Solar System. Comets are all of these things. Find out more about these small Solar System bodies.
Comets - Facts for Kids
People once thought that comets were the messengers of major disasters. Today we know that they are visitors from the most distant regions of the Solar System. Other stars have exoplanets and they seem to have exocomets too.
Constellation or Asterism & Other Posers
Constellations, asterisms, galaxies and star clusters are all groups of stars. So how are they different? Why isn’t the Big Dipper a constellation? Where are the globular clusters? And if Saturn is in Virgo, has it left the Solar System?
Copernicus - His Life
The day job of one reluctant revolutionary was canon of a cathedral. And the last resting place of the man who turned astronomy on its head, Nicolaus Copernicus, was unmarked. How did his student astronomy books help to identify his remains four and a half centuries later?
Copernicus - the Revolution
In the 16th century everyone knew that Earth was the center of the cosmos. But this made it impossible to predict the motions of heavenly bodies, even if they moved in elaborate circles within circles. Copernicus turned the idea on its head and put the Sun at the center. A revolution had begun!
Copernicus for Kids
Since the name of Nicolaus Copernicus is still well known nearly five hundred years after his death, why was his grave unmarked until 2010? Find out about the life of the quiet revolutionary that turned our view of the universe inside out.
Cosmic - book review
Cosmic isn't an astronomy text. It's a delightful novel for young people which includes space travel and a cast of great characters, including Liam who's too tall for his age. It's Willy Wonka meets Apollo 13, as the taikonauts get chosen in an unusual draw and end up stranded in space.
Cosmic 4th of July
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? Read on to find out.
We no longer see the heavens as perfect and the stars as eternal and unchanging. Even the Universe had a beginning, and everything that we observe changes and evolves. Many of these changes involve cosmic collisions.
Cosmic Ghosts, Ghouls and Vampires
Astronomers use colorful language for cosmic objects. But unlike ghosts, ghouls and vampires in horror stories, the cosmic ones aren't scary late at night. Here are tales of the birth, evolution and death of stars, a blinking demon and a star that, at Halloween, seems like the Sun's ghost.
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