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Epsilon Eridani - A Norse God in the River
Eridanus is the great river that flows through the southern sky. One its stars, Epsilon Eridani, is of special interest to us because of its nearness and because the sunlike star has a planetary system. As a result of a new IAU naming policy, the star and its planet are now also Ran and AEgir.
Eris - Dwarf Planet
In a tilted orbit in the scattered disk, it shook up the traditional Solar System. Was it bigger than Pluto, and therefore a planet? No, both of them ended up as dwarf planets. Eris – named for the Greek goddess of discord – was an apt name for an object whose discovery started so many arguments.
Eris – Facts for Kids
At first astronomers thought Eris was bigger than Pluto and that it was a tenth planet. But both Eris and Pluto ended up as dwarf planets. Eris is now farther away from the Sun than any known object except for some comets. It's so cold that its atmosphere has frozen and is on the ground.
Eris and Pluto - They're Not Twins
For nearly ninety years Pluto was our ninth planet. Then in 2006, much to the annoyance of some, it was no longer a planet, but a dwarf planet. What happened? Eris happened. Some call Eris and Pluto twin planets, but they aren't twins. Eris has a secret.
Europa Facts for Kids
Astronomers are very interested in Jupiter's moon Europa. They think that it has a large ocean covering the moon under its icy crust, and that it would be a good place to look for life.
European Astrofest 2016
It's great to have access to “the Universe under one roof”. When European Astrofest comes to the Kensington Conference Centre in London, it saves many light years of travel. Here are some highlights of the 2016 event.
European Astrofest 2017
It was the 25th Astrofest – and how things have changed since the first one! No one knew then if other stars had planets. Pluto was still a planet and its discoverer Clyde Tombaugh was still alive. The Rosetta mission was in the very early planning stages, and Cassini-Huygens hadn't been launched.
European AstroFest 2018 - Space Missions
For two days there was no need for a telescope to view the Universe, though you might have decided to buy one for later on. The Universe came to London in the form of European AstroFest – all under one roof in the Kensington Conference and Events Centre. Here is Part 1 of some highlights.
European AstroFest 2018 – Astronomy Potpourri
European AstroFest 2018, billed as “The Universe under One Roof”, was held in the Kensington Conference and Events Centre in London. The conference program included talks on dark matter, gravitational waves, asteroid impacts and wintering in White Mars.
Exotic Creatures of the Southern Sky
Constellations telling the ancient tales of gods and heroes are still in use by astronomers. But there are only 48 classical constellations, and the skies around the south celestial pole can't be seen from the Mediterranean, so those constellations are more modern. Here are some of them.
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