Collaborate Disseminate
A new study by astrophysicist Richard Lieu suggests that gravity can exist without mass, proposing thin, shell-like layers of ‘topological defects’ as an alternative to dark matter for explaining the gravitational binding of galaxies. This theory posit… Continue reading Wild New Study Suggests Gravity Can Exist Without Mass
cusco writes: Indian space startup Agnikul used a 3-D printer from German company EOS to print an engine out of inconel, a high-performance nickel-chromium alloy, in one solid piece over the course of roughly 72 hours. While other companies like Relati… Continue reading Indian Startup 3D Prints Rocket Engine in Just 72 Hours
Kent, Wash.-based Stoke Space successfully completed the first hot-fire test of its reusable Nova launch vehicle’s first-stage engine, which reached 350,000 hp in under a second during a two-second test on June 5. GeekWire reports: During the two-secon… Continue reading Stoke Space Scores a Success In First Test Firing of Engine For Reusable Nova Booster
SpaceX’s successful launch (and reentry) of Starship was just the beginning, reports Space.com:
SpaceX now aims to build on the progress with its Starship program as continues work on Starfactory, a new manufacturing facility under construction at the… Continue reading SpaceX Hopes to Eventually Build One Starship Per Day at Its Texas ‘Starfactory’
“Virgin Galactic launched six people to suborbital space on Saturday, launching a Turkish astronaut and three space tourists,” reports Space.com, “on what was the final voyage of the VSS Unity space plane.”
Unity, attached to the belly of its carrier … Continue reading Virgin Galactic Completes Final ‘Space Tourists and Research’ Flight Before Two-Year Pause
An anonymous reader quotes a report from New Atlas: The universe is awash with strange radio signals, but astronomers have now detected a really bizarre one that repeats every hour, cycling through three different states. While they have some ideas abo… Continue reading Radio Signal From Space Repeats Every Hour, Defying Explanation
New submitter OwnedByTwoCats writes: SpaceX’s Starship, the most powerful launch vehicle ever built, launched Thursday and achieved key objectives laid out for its fourth test flight that demonstrated the vehicle’s reusability. The highly anticipated e… Continue reading SpaceX Soars Through New Milestones in Test Flight of the Most Powerful Rocket Ever Built
The 34-year-old Hubble Space Telescope is now operating with its final two working gyroscopes, necessitating a switch to a less productive “one-gyro” mode to extend its operational life. This contingency plan will reduce Hubble’s productivity by over 1… Continue reading Aging Hubble Telescope Moves To ‘One-Gyro’ Operations
On June 3, a “planet parade” of six planets — Jupiter, Mercury, Uranus, Mars, Neptune and Saturn — will form a straight line through the pre-dawn sky. Astronomy.com reports: Some 20 minutes before sunrise, all six planets should be visible, though no… Continue reading ‘Planetary Parade’ Will See Six Planets Line Up In the Morning Sky
Witnessing the blood-red fires of a volcanic eruption on Earth is memorable. But to see molten rock bleed out of a volcano on a different planet would be extraordinary. That is close to what scientists have spotted on Venus: two vast, sinuous lava flow… Continue reading Rivers of Lava on Venus Reveal a More Volcanically Active Planet