Mars Saturn Conjunction
Fainter stars in the zodiacal constellation Capricornus are scattered near the plane of the ecliptic in this field […]
NASA
Hale-Bopp: The Great Comet of 1997
Only twenty-five years ago, Comet Hale-Bopp rounded the Sun and offered a dazzling spectacle in planet Earth’s night […]
Messier 24: Sagittarius Star Cloud
Unlike most entries in Charles Messier’s famous catalog of deep sky objects, M24 is not a bright galaxy, […]
Earendel: A Star in the Early Universe
Is Earendel the farthest star yet discovered? This scientific possibility started when the Hubble Space Telescope observed a […]
Seven Sisters versus California
On the upper right, dressed in blue, is the Pleiades. Also known as the Seven Sisters and M45, […]
A Vortex Aurora over Iceland
No, the car was not in danger of being vacuumed into space by the big sky vortex. For […]
CMB Dipole: Speeding Through the Universe
Our Earth is not at rest. The Earth moves around the Sun. The Sun orbits the center of […]
Nova Scotia Northern Lights
This almost otherworldly display of northern lights was captured in clear skies during the early hours of March […]
Leaning Tower, Active Sun
The natural filter of a hazy atmosphere offered this recognizable architecture and sunset view on March 27. Dark […]
Exploring the Antennae
Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. Stars in the […]