Abi Collins’s Reviews > Astrobiology: A Very Short Introduction > Status Update

“The human race is just a chemical scum on a moderate-sized planet, orbiting around a very average star in the outer suburb of one among a hundred billion galaxies.” - Stephen Hawking

Hell yeah chemical scum

The idea of a galactic habitable zone is cool as fuck

‘Kingdom, Phylum, Class, Order, Family, Genus, and Species. The mnemonic I use to remember these levels (or taxa) is far too rude to mention but another is 'Keeping Precious Creatures Organized For Grumpy Scientists.’

Bruh what’s the rude mnemonic lmao

Overall, there are about 10^29 microbes of all varieties in the ocean, far exceeding the 10^22 stars in the observable universe.

‘Amazingly, she speaks English (as extraterrestrials always do in the movies) and by a stroke of luck her spacecraft lands in an English-speaking country!’

‘With this approach, in 1953, Patterson accurately aged the Earth at 4.5 Ga. He was so excited that he feared a heart attack, and his mother had to take him to hospital.’

Hehehe

Pigeon droppings in the horn were blamed initially; but after cleaning up and shooting the unfortunate pigeons, the real culprit was identified as the beginning of the universe.

‘To make an apple pie from scratch, you must first invent the universe.’ - Carl Sagan