Quantcast

Latest International Astronomical Union Stories

2006-09-01 15:30:00

By Andy Sullivan WASHINGTON (Reuters) - Hundreds of U.S. scientists have challenged a recent decision by an international astronomy group to strip Pluto of its planetary status with a petition rejecting its definition of what constitutes a planet.

5cff585bf81c004ea1858c3e878228751
2006-08-26 04:54:05

If you woke up Thursday morning and sensed something was different about the world around you, you're absolutely right. Pluto is no longer a planet.

2006-08-24 13:30:14

By Alan Crosby PRAGUE (Reuters) - Pluto was stripped of its status as a planet on Thursday when astronomers from around the world redefined it as a "dwarf planet," leaving just eight major planets in the solar system.

2006-08-24 09:53:13

By Alan Crosby PRAGUE (Reuters) - Pluto was stripped of its status as a planet on Thursday when astronomers from around the world redefined it as a "dwarf planet," leaving just eight classical planets in the solar system.

2006-08-22 09:30:00

In coming up with the definition of a planet, astronomers hoped to bring order to the way we look at solar systems. Instead, they created a big bang of their own.

217ca4d37b72b5c519bd5ab3aad4957a1
2006-08-19 15:05:00

Few planet hunters stand to gain as much as Michael Brown if our solar system balloons to 12 planets under a new definition. He's spotted more than a dozen objects that might qualify as planets. So why is he upset? "When I was a kid, planets were special," he said. "This definition takes the magic out of the solar system."

2006-08-16 13:25:00

Learning the planets of our solar system is about to become more difficult for school children around the world.

cd0d63e4886ee472d6994d5d676669d21
2006-08-16 17:34:24

The idea that our nine-planet solar system may soon join the obsolete world of eight-track tapes and slide rules should send science teachers, textbook writers and toymakers back to the cosmic drawing board.

2006-08-16 13:27:18

By Alan Crosby PRAGUE (Reuters) - The question of whether Pluto is a real planet, hotly debated by scientists for decades, came to a head on Wednesday when the global astronomers' body proposed a definition of a planet that raises their number to 12 from nine.

3b8f5f66934cb1d2c88609601f22f3a41
2006-08-16 06:55:00

The universe really is expanding - astronomers are proposing to rewrite the textbooks to say that our solar system has 12 planets rather than the nine memorized by generations of schoolchildren.


Word of the Day
cespitose
  • Growing in low tufty patches.
The word 'cespitose' comes from a Latin word meaning 'turf'.
Related