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."

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

The five inhospitable gas giants

Chalk Bored

Pluto

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

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

Cutting round an igloo...

'The SPCA called on Schrodinger...'

He says he needs space.

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

Renewable energies and mobile telephones

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

I'm not "fidgeting" --- It's tectonic plate activity!

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

Space: A Venn Diagram

"I told you not to get central heating."

"Mind where you're going next time."

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

A North pole dancer.

Caution unstable molecules.

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

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

"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."

Ass-tronauts.

I've got to wash my hair. If you don't get out of the shower, Twig, I'm going to�Going to what little brother whose parents don't know he cut school for a day? Going to wear a hat. Ah! The cap in "cap and trade."

'I'm a nurse and my husband, Phil,is a manager at Saturn motors.'

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

"How goes the gap year?"