Planetary Pun Enthusiast Pillows

"Crust" "Mantle" "Creamy nougat center"

'I'm going to Venus. He's going to Mars.'

'Kids, today, Xerf brought in a planet that he found. Now if we look at it closely under the microscope, you can still see it's inhabitants scrambling around.'

Happy Bifurcation Day,

Solar Gain: "Be honest: does the new planet make me look fat?"

'It's only four acres but we're glad we bought it - he's always wanted to be an expert in his own field.'

"Surprisingly, the soil samples provide new evidence for the 'giant ball of cheese' hypothesis."

The five inhospitable gas giants

"No, I'm afraid Pluto is never in the dog house."

Chalk Bored

'Don't look at me - I didn't have anything to do with Tunguska!'

'I'm NOT sweating -- those are OCEANS!'

Cutting round an igloo...

'The SPCA called on Schrodinger...'

He says he needs space.

"On the contrary, the way to a man's heart is through the superior vena cava."

"Did you know that DNA spelled backwards is AND? Makes you think."

Renewable energies and mobile telephones

Space: A Venn Diagram

'Lose weight and they should drop out of orbit!'

'They're plowing you? -- how does it feel?', 'Groovy!'

"I told you not to get central heating."

"Mind where you're going next time."

Polar bears separated by broken ice. One says: 'You must come over to ours for Boxing Day.'

A North pole dancer.

Ass-tronauts.

"We sent a message to any extraterrestrial beings in deep space. It was picked up by an observatory in Great Britain. They didn't understand it."

"Spoiler alert, Bob. If you need to carbon-date you lunch it's spoiled."

Caution unstable molecules.

Suddenly, God gets the urge for an Earth cream cone.

"How goes the gap year?"

"Your wife says you will be over the Moon if it's a boy - have you considered Venus if it's a girl?"