Equinox: The Sun from Solstice to Solstice
Today is an equinox, a date when day and night are equal. Tomorrow, and every day until the […]
Astronomy
A Long Storm System on Saturn
It was one of the largest and longest lived storms ever recorded in our Solar System. First seen […]
IC 1805: The Heart Nebula
What energizes the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a […]
M31: The Andromeda Galaxy
How far can you see? The most distant object easily visible to the unaided eye is M31, the […]
Perijove 11: Passing Jupiter
Here comes Jupiter! NASA‘s robotic spacecraft Juno is continuing on its 53-day, highly-elongated orbits around our Solar System’s […]
In Wolf s Cave
The mysterious blue reflection nebula found in catalogs as VdB 152 or Ced 201 really is very faint. […]
Recycling Cassiopeia A
Massive stars in our Milky Way Galaxy live spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnaces […]
Unusual Signal Suggests Neutron Star Destroyed by Black Hole
What created this unusual explosion? Three weeks ago, gravitational wave detectors in the USA and Europe — the […]
The Moon and Jupiter over the Alps
What are those bright lights in the sky ahead? When hiking a high mountain pass in northern Italy […]
M45: The Pleiades Star Cluster
Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it […]