-
Years ago I heard a definition for a planet that had to do with its atmosphere.
NPR: Astronomers Prepare to Fight Pluto Demotion
-
Astronomers will vote next week on whether to change the definition of a planet.
NPR: A Down-to-Earth View of the Planet Debate
-
Astronomers today gave Pluto the heave ho, voting in an official definition for the word planet that leaves Pluto out.
NPR: Pluto, the Un-Planet?
-
But first, we haven't heard the last about the ignominious vote last month to strip Pluto of its place in our solar system - kicked out of the planetary lineup by a group of astronomers because it doesn't fit the new definition of what a planet is.
NPR: Astronomers Prepare to Fight Pluto Demotion
-
Well, now another group of astronomers, many of whom are in favor of keeping Pluto a planet, is challenging that new definition, saying it doesn't set clear criteria for what makes a planet.
NPR: Astronomers Prepare to Fight Pluto Demotion
-
The definition, in terms of its operational aspects, says that the planet has to have cleared the neighborhood of its orbit.
NPR: Astronomers Prepare to Fight Pluto Demotion
-
Every major corporation on the face of the planet has a leadership development program, but I challenge you to find a definition of leadership anywhere in the curriculum.
FORBES: A Leadership Job Description
-
The term planet has been around since Ancient Greece, but coming to consensus on a precise definition today proved challenging, even for the world's top scientific minds.
NPR: Pluto, the Un-Planet?
-
If all goes well, the Curiosity spacecraft will film the last two or three miles of its descent in high-definition video at five frames a second, recording for the first time an actual landing on another planet.
WSJ: Mars Mission Seeks a Happy Landing