moving lights articles

Why did I just see a line of stars moving?

That sudden appearance of a perfectly straight, evenly spaced line of bright dots marching silently across the dark sky ...

What is that bright light in the sky after sunset?

That persistent, brilliant point of light low in the western sky shortly after the sun dips below the horizon is a commo...

Are all galaxies moving apart?

The simple answer to whether all galaxies are moving apart is a definitive no, although the vast majority are receding f...

What is the light from Orion's belt?

The light emanating from the region surrounding Orion's Belt is not a single phenomenon but a collection of brilliant st...

How fast is our Galaxy cluster moving?

The cosmos is a place defined by motion. For us living on Earth, accustomed to the comforting stability of our surroundi...

What information does the light from a star tell us?

The light that travels across unimaginable cosmic distances to reach our eyes is far more than just a faint twinkle; it ...