Planets of the Solar System: Tilts and Spins
How does your favorite planet spin? Does it spin rapidly around a nearly vertical axis, or horizontally, or backwards? This…
Astronomy
A Pair of Galaxies in Gravitational Conflict: Arp 86
This observation from the NASA/European Space Agency Hubble Space Telescope showcases Arp 86, a peculiar pair of interacting galaxies which…
Scientists May Have Unwittingly Spotted Planet Nine in Our Solar System
Planet Nine continues to “hide in the shadows,” whether it is real or not. Now, scientists have a new way…
414 YEARS AGO, GALILEO REVOLUTIONIZED ASTRONOMY
At the beginning of the 1600s, a new instrument began to propagate in Europe: the telescope. This new invention, thanks…
A Lion in Orion
A deep exposure shows the famous dark indentation that looks like a horse’s head, visible just left and below center,…
Can there be a more habitable planet than Earth? Well, yeah and we’ve already found it
Could there be a world even more suitable for life than ours, given the assumption that everything we know always…
Kemble’s Cascade of Stars
This line of stars is real. A little too faint to see with the unaided eye, Kemble’s Cascade of stars…
Wavelength Sensitivity of Hubble, Webb, Roman, and Other Observatories
Planets, stars, galaxies, and other objects in space give off a wide range of visible and invisible forms of light….
Which sky has the least luminous pollution in the world?
Mountain peaks, islands or deserts: these remote places are the typical places where nowadays are the main astronomical observatories. For…
Uranus Is Leaking Gas Into Space Every 17 Hours
Uranus is an odd planet with a funny name. Scientists have found that it spins on an unusual axis, which…