Why did a supernova abruptly change color? A recent study suggests a change in ejecta velocity — a cosmic speed bump — might be the culprit.
The post A Supernova Hits a Cosmic Speed Bump appeared first on Sky & Telescope.
Why did a supernova abruptly change color? A recent study suggests a change in ejecta velocity — a cosmic speed bump — might be the culprit.
The post A Supernova Hits a Cosmic Speed Bump appeared first on Sky & Telescope.