"When beggars die, there are no comets seen; The heavens themselves blaze forth the death of princes."
— William Shakespeare Julius Cæsar
Comet Lemmon is brightening and moving into morning northern skies.
It may look like these comets are racing, but they are not.
What is creating these unusual spots?
This year
Ten thousand years ago, before the dawn of recorded human history,
It was the strongest gravitational wave signal yet measured -- what did it show?
How massive can a normal star be?
On Saturn, the rings tell you the season.
Does the Sun set in the same direction every day?
Early risers around planet
A study in contrasts,
Can you spot famous celestial objects in this image?
A newly discovered comet is already visible with binoculars.
Can our Sun become dangerous?
How does your favorite planet spin?
The steerable 60 foot diameter dish antenna of the
Astrophotography equipment
Telescopes