How the sun goes to ‘sleep’ could reveal future space weather when it wakes

by quasarn01 | Jul 19, 2026 | Astronomy

Scientists have developed a new way to predict the strength of the sun’s next activity cycle up to seven years before it reaches its peak. Go to Source

Samples reveal how Earth slows solar wind striking moon’s near side

by quasarn01 | Jul 19, 2026 | Astronomy

The moon has been bathed in solar wind for billions of years, but the two hemispheres are struck by solar wind of different speeds and energies. Go to Source

A century-old stellar mystery may finally have an explanation

by quasarn01 | Jul 19, 2026 | Astronomy

For more than a century, astronomers have puzzled over a strange discrepancy in the historical record. Theta Eridani, a modest star in the constellation Eridanus, is the third-brightest star in its constellation, with a magnitude of 2.9. But ancient astronomers...

Observations investigate the nature of a peculiar supernova

by quasarn01 | Jul 19, 2026 | Astronomy

An international team of astronomers has performed follow-up observations of a peculiar Type Ia supernova designated SN 2023vjh. Results of the observational campaign, published July 9 on the preprint server arXiv, deliver important insights into the nature of this...

Image: The growing crescent of Mars as NASA’s psyche mission approaches

by quasarn01 | Jul 19, 2026 | Astronomy

This composite of images taken by NASA’s Psyche mission shows the crescent of Mars grow as the spacecraft approached the planet for a gravity assist from May 2 to May 15, 2026. Go to Source

NASA’s Psyche mission delivers Mars flyby data, time-lapse video

by quasarn01 | Jul 18, 2026 | Astronomy

The spacecraft aced its encounter with Mars. Now, mission scientists are studying a trove of data from the flyby in preparation for its arrival at asteroid Psyche in 2029. Go to Source