When the earliest astronomers and philosophers looked up at the night sky, they never could have imagined a sight like this.
What if I told you there are only four single stars in this image?
That’s right. Four.
The rest are whole galaxies, full of billions of stars.
You can tell the foreground stars from the galaxies by the diffraction spikes–astronomer speak for those four bright spikes of light. Can you find them?Continue reading