"Drop one of those rovers 30 feet," says Agogino, "do you think it's going to be very happy about it?" But existing planetary rovers are shaped the way they are for a reason: they need wheels to move around, bodies to hold equipment and arms to deploy instruments or cameras.
Those who felt the trading system was lacking will appreciate the ability to cart goods from system to system with a freighter, those who felt lost in the vastness of space will be happy to ground themselves with a planetary base.
Fourth-grader Jack Davis is prepared to take on the interstellar role of planetary protector, and NASA would be happy to use his skills... someday.
The other spectre that haunts liberal economics – other than the lingering unhappiness that its happy-clappy consumerism generates – is the broaching of planetary boundaries for survival.
When all we hear in the news is about illnesses floating around, economic challenges and planetary catastrophes, it's a wonder we ever feel happy.
But Iwan Williams, president of the IA Us planetary systems sciences and an astronomer at Queen Mary, University of London, was happy with the decision.
That said, most people probably have kids not because they're interested in furthering the planetary domination of homo sapiens but because they believe it will make them happy.
Grinspoon conceded that Pluto "needed to be reclassified" and that he's "happy with pointing out that it's a different kind of planet", but said that planetary specialists often don't see eye to eye with astronomers about the title.
Dr Robin Russell-Jones Chair, Planetary SOS.
