earth

The Milky Way galaxy sails through the Universe

The Milky Way galaxy sails through the Universe.
The Earth rotates, and revolves around its Sun.
The Sun shines in Earth’s blue sky.
A puffed-up bird tries to pull frozen seed
from the bird feeder while the cat watches,
and I watch.

Just breathe.

A story about a black-hole merger

“About 1.1 billion years ago, two black holes coalesced. They had danced around each other for billions of years, losing energy and swinging closer, until they could no longer resist each other's embrace. Spiraling in, they merged, and released a quaking shout of gravitational waves that echoed across the cosmos.”

Phil Plait on syfy.com has a nice story about a black-hole merger.

If an alien in a galaxy 65 million light years away ...

“If an alien in a galaxy 65 million light years away is looking at us through a telescope right now, then they are looking at dinosaurs.”