3 ms·
There is dust in the foreground and stars in the background. It's easy to distinguish because stars don't move relative to each other.
by ajuc 9y ago
There is dust in the foreground and stars in the background. It's easy to distinguish because stars don't move relative to each other.
- p0z3t 9y agoSomeone posted it further up, but this stabilized gif really clarifies the difference well: https://twitter.com/landru79/status/988807933243863040 https://twitter.com/landru79/status/988807933243863040