This is sky,” and point, but the eyes can’t discover the dividing line.
New drugs from plants–green factories, as they are called–are on the horizon,
[My father] had a name for the bottom of the sky–‘the hem of heaven.
I routinely use my blue sky ‘device’ and it works very well for me.
It’s on the horizon. We can do the job as long as the funding stays consistent.
Now I am discovering the world once more. England has widened my horizon.
The history of astronomy is a history of receding horizons.