Today's astro textbook adventures.

[chesuto]

Physicists can make antimatter, in the form of individual particles, and even atoms of antihydrogen (an antielectron in an orbital around an antiproton). Perhaps some pocket of the universe contains antistars made from antihydrogen, with circling antiplanets and anticivilizations of antipeople. If so, you could safely introduce yourself to them over a radio transmission, but we wouldn't recommend a handshake.

then later...

Thus, the gold in your jewelry was forged not in the fires of Mordor, but in a type II supernova whose brightness rivaled a hundred billion stars combined.

Comments

[lluvia]

WHAT IS THE TITLE/AUTHOR OF THIS BOOK, I am so tempted to like, get it. Just from the excerpts you post.

[chesuto]

Your Cosmic Context: An Introduction to Modern Cosmology by Todd Duncan and Craig Tyler.

They also talk about a planet occupied by shiny lizard people.

And in every diagram with the sun in it, the sun has a smiley face on it.

[lluvia]

omg, thank you. I WILL GET MY HANDS ON THIS. ;^;d