Findings:

Here's the stuff we found when you searched for "why on earth"

Earth's reshuffling (user)
Return to the Centre of the Earth
the curvature of the earth is obscured by local noise (collaboration)
Fuller's earth
brown earth
Earth Girl Arjuna
High Earth Orbit
The Face of the Earth
Earth Summit
NEC Earth Simulator
Scorched Earth 2000
Red Earth and Pouring Rain
Pardon me, thou bleeding piece of earth
God's is the Earth and all on it
The Late Great Planet Earth
Robust Nuclear Earth Penetrator
Back To Earth
How to destroy the Earth
Twin Earth
Earth Observing 1
Earth Sun Moon
I Touch the Earth, the Earth Touches Me
The Earth Is Not A Cold Dead Place
The New Earth Festival
earth (user)
Earth Metals (user)
earth ground
The Earth Gods
New Earth
Whatever happened to peace on Earth
Bones of the Earth
Target Earth
The Day The Earth Caught Fire
Earth's heat budget
Earth shoes
Horrible, Horrible is Turned the Earth!
The greatest country on earth
The Greatest Show on Earth
Warriors of Heaven and Earth
From the Earth to the Moon: 1: The Gun Club
From the Earth to the Moon: 2: President Barbicane's Communication
From the Earth to the Moon: 3: Effect of the President's Communication
From the Earth to the Moon: 4: Reply from the Observatory of Cambridge
From the Earth to the Moon: 5: The Romance of the Moon
From the Earth to the Moon: 6: Permissive Limits of Ignorance and Belief in the United States
From the Earth to the Moon: 7: The Hymn of the Cannon-Ball
From the Earth to the Moon: 8: History of the Cannon
From the Earth to the Moon: 9: The Question of the Powders
From the Earth to the Moon: 10: One Enemy v. Twenty-Five Millions of Friends
From the Earth to the Moon: 11: Florida and Texas
From the Earth to the Moon: 12: Urbi et Orbi
From the Earth to the Moon: 13: Stones Hill
From the Earth to the Moon: 14: Pickaxe and Trowel
From the Earth to the Moon: 15: The Fete of the Casting
From the Earth to the Moon: 16: The Columbiad
From the Earth to the Moon: 18: The Passenger of the Atlanta
From the Earth to the Moon: 17: A Telegraphic Dispatch
From the Earth to the Moon: 19: A Monster Meeting
From the Earth to the Moon: 20: Attack and Riposte
From the Earth to the Moon: 21: How a Frenchman Manages an Affair
From the Earth to the Moon: 22: The New Citizen of the United States
From the Earth to the Moon: 23: The Projectile-Vehicle
From the Earth to the Moon: 24: The Telescope of the Rocky Mountains
From the Earth to the Moon: 25: Final Details
From the Earth to the Moon: 26: Fire!
From the Earth to the Moon: 27: Foul Weather
From the Earth to the Moon: 28: A New Star
earth core
Nobody Goes to Earth Anymore
The last woman on Earth
Peace on earth and good will toward men
Battle for Middle Earth
Mother Earth News
How to save money and help the earth too
Women are from Earth, but men only wander it
Google Earth
Earth's most unusual space launch
earth sprite (user)
Adamic earth
Visiting Earth
Jimmy Corrigan, the Smartest Kid on Earth
Assignment: Earth
Imperial Earth
Ghreg on Earth
Cassel earth
Scorched earth and burned bodies
When over 95% of its people endure unspeakable torture daily, Planet Earth is officially known as a prison
Earth Balance
The Earth Is Not Moving
How the Earth was destroyed
Some days it seems like the sun is landing on the earth
Reasons to invade Earth
If the earth won't be still, than I will.
Multiple Users Middle Earth
Planetary/Batman: Night on Earth
watching miracles fall to earth, with only my breath to hold
Live Earth
Fireflies are like stars on Earth
a voice that grinds the machinery of the rain to a halt. a voice that tips the earth.
what infant will love them, in the cold dark earth?
heaven on earth
Last Night on Earth
Why the Earth is Probably Round
Australia: Deadliest Place on Earth
Planet Earth
20 Million Miles to Earth
Cursed Earth
Cool Earth
Earth Hour
People of Earth: we could be heroes.
Large Particle Accelerators and the Destruction of the Earth
When We left Earth
The earth's tears make her smiles bloom
The tears of the earth keep her smile in blooms
Disgusting Pox Upon the Earth
The Tallest Man on Earth
rammed earth
The Stolen Earth
Exodus from earth
The fall of Earth
Mother Earth
Earth sandwich
Wintergreen: An Earth Quest
symbiotic relations with The Universe & Earth
earth shattering
The Hungry Earth
Do you think God stays in heaven because he, too, lives in fear of what he's created here on Earth?
When the sun devours the Earth
Earth is the eighth morning, folded against the week's work
Mother Earth's Plantasia
Operating Manual for Spaceship Earth
The Earth Shuddered
Here's the thing about trying to blow up the Earth
"United Earth Federation" My Ass
Please, for the love of everything that is holy on this Earth. I just want the cold back.
Memories of the Earth
Red Earth
and when all the stars have fallen one last time and the skies are crumbling into my hands and the sirens are bleeding out on the beaches and the earth fades; you will remain
Descent into the Depths of the Earth
nightly to the listening Earth
the earth will remember you
The Witch King of Angmar should not have touched the earth
Scent of the good earth - a haiku
When Dinosaurs Ruled the Earth
God's Green Earth
in case the sun ever would conquer the earth
What convinces people earth is a globe?
The Woman Who Fell to Earth
this thirsty earth
240 human years are experienced every second on earth
Ask a Human: Greg Answers #11: Special Earth Edition
a melody of the sun cast to earth
Alone Except for the Earth
We won't ditch Earth
under earth and over moon
Of all the species on earth, we have the ability to tell the long march of evolution to go fuck itself
Experience Earth Humor: Pranks with Human Greg #16
Experience Earth Humor: Pranks with Human Greg #9 and #10
Space: Earth Orbit (category)
Space: From Earth (category)
Earth's Profit
Five Million Years to Earth
Here, the earth and the sky meet; fly high
The Long Earth

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