Framed by Trees: A Window to the Galaxy
The photographer had this shot in mind for some time. He knew that objects overhead are the brightest […]
NASA
The Andromeda Galaxy in Ultraviolet
What does the Andromeda galaxy look like in ultraviolet light? Young blue stars circling the galactic center dominate. […]
Alphonsus and Arzachel
Point your telescope at tonight’s first quarter Moon. Along the terminator, the shadow line between night and day, […]
Love and War by Moonlight
Venus, named for the Roman goddess of love, and Mars, the war god’s namesake, come together by moonlight […]
The Dark Tower in Scorpius
In silhouette against a crowded star field along the tail of the arachnalogical constellation Scorpius, this dusty cosmic […]
GW200115: Simulation of a Black Hole Merging with a Neutron ...
What happens when a black hole destroys a neutron star? Analyses indicate that just such an event created […]
M27: The Dumbbell Nebula
What will become of our Sun? The first hint of our Sun‘s future was discovered inadvertently in 1764. […]
Find the Moon
Where’s the Moon? Somewhere in this image, the Earth’s Moon is hiding. The entire Moon is visible, in […]
Mercury and the Da Vinci Glow
On July 8th early morning risers saw Mercury near an old Moon low on the eastern horizon. On […]
M82: Starburst Galaxy with a Superwind
M82 is a starburst galaxy with a superwind. In fact, through ensuing supernova explosions and powerful winds from […]