Construction begins on the Square Kilometer Array

At twin ground-breaking ceremonies today in South Africa and Australia, project leaders formally marked the start of construction on what will be the largest radio telescope ever built. Dubbed the Square Kilometer Array Observatory (SKAO) – referring to the total area the antennas and dishes will cover when complete – the telescope is not a … Read more

Ground Telescopes can adapt to satellite megaconstellations if they get Accurate Telemetry Data

The growing population of communication satellites such as Starlink and OneWeb is posing challenges for Earth-based astronomy facilities. Since such constellations will not be going away soon, astronomers want to find ways to work around the issue. It’s not going to be easy, considering that thousands and thousands of low-Earth satellites (LEOsats) could potentially be … Read more

Chinese crew back on Earth after six months on Tiangong space station – Spaceflight Now

From left to right: Commander Chen Dong, astronaut Liu Yang, and astronaut Cai Xuzhe after landing on the Shenzhou 14 spacecraft. Credit: China Manned Space Agency Three Chinese astronauts landed Sunday after 182 days on China’s Tiangong space station, completing the busiest mission yet for the country’s human spaceflight programme. The astronauts performed three spacewalks … Read more

Artemis 1 capsule beams back spectacular farewell views of the moon – Spaceflight Now

The Orion spacecraft captured this stunning view of a crescent Earth and the tip of the moon after completing the return powered flyby maneuver for the Artemis 1 mission Monday. Credit: NASA TV / Spaceflight Now Flying just 80 miles (130 kilometers) off the lunar surface, NASA’s Orion capsule fired its main engine Monday to … Read more

How ‘Andor’ sound and effects wizards created a gritty ‘Star Wars’

The turbulent season finale of “Andorcame and went and we’re still basking in the afterglow of this sensational 12-episode “Star Wars” series on Disney+. Using a minimalist style that operates within the “less is more” arena of filmmaking, creator and showrunner Tony Gilroy have accomplished a Herculean task of conjuring fresh magic within the “Star … Read more

By Looking Back Through Hubble Data, Astronomers Have Identified Six Massive Stars Before They Exploded as Core-Collapse Supernovae

The venerable Hubble Space Telescope has given us so much during the history of its service (32 years, 7 months, 6 days, and counting!) Even after all these years, the versatile and sophisticated observatory is still pulling its weight alongside more recent addition, like the James Webb Space Telescope (JWST) and other members of NASA’s … Read more

Neutrons: Facts about the influencing subatomic particles

Neutrons are tiny subatomic particles that — along with protons — form the nucleus of an atom. While the number of protons defines what element an atom is, the number of neutrons in the nucleus can vary, resulting in different isotopes of an element. For example, ordinary hydrogen contains one proton and no neutrons, but … Read more

Watch Mars at opposition meet the full moon next week (Dec. 7)

Every once in a while, something will appear in the sky that will attract the attention of even those who normally don’t bother looking up. It’s likely to be that way in the evening hours of Wednesday (Dec. 7) when the full moon will appear in very close proximity to the now-brilliant planet Mars. In … Read more

UFOs 101: Hype, uproar, disinformation and mystery

A university history professor developed a virtual classroom lecture series that probed the history, evolution, and impacts on society of the Unidentified Flying Object phenomenon. The intent of the five-part course was not to prove true believers or skeptics of ET visitation are right. Rather, the series’ goal was to develop a deeper understanding of … Read more