Darkness articles
What does it mean when the sky goes black?
The sudden descent of darkness during the bright part of the day is an experience that immediately triggers a primal sen...
Why is the night sky mostly dark?
The reason the night sky is dark is one of the oldest, most profound questions in astronomy, leading to a paradox that b...
Why does the sky appear dark at night?
The sky at night appears dark to our eyes, a simple observation that belies one of the most profound questions in the hi...
What causes dark at night?
The sensation of darkness that settles upon us each evening is a direct, observable consequence of our planet's mechanic...
What do dark clouds foretell?
The shift in the sky, a sudden darkening that seems to swallow the usual bright blue, naturally prompts us to look for a...
Why is it so dark in the night?
The blackness we perceive when we look up at the night sky seems like a simple, obvious fact of life, yet it conceals on...
Do completely dark dark matter halos exist?
The idea that dark matter forms invisible scaffolding around galaxies is a cornerstone of modern cosmology, yet the spec...
How do they know that dark matter exists?
The universe, for all its blazing stars and sweeping nebulae, is dominated by something we cannot see. It is a substance...
How do we know dark matter exists in the halo?
The question of how we pinpoint the existence of something we cannot see hinges entirely on its gravitational footprint....
Do glow-in-the-dark stars have radiation?
The faint, ethereal light emanating from plastic stars stuck to a ceiling often sparks a quiet, lingering concern: are w...
What defines dark matter in cosmology?
The universe, as we observe it through visible light, is merely the illuminated portion of a much grander, largely invis...