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Ryugu asteroid samples indicate damage from microscopic meteoroid bombardment (Image Credit: Phys.org) Snapshots of micrometeoroid bombardment simulations at different timescales with a velocity of 20 km/s (a) and 300 km/s (b). Dot color represents elements of serpentine as follows: magnesium (yellow), silica (gray), oxygen (red) and hydrogen (blue). Fs is femtoseconds, representing […]
Observing dark matter at cosmic dawn (Image Credit: Phys.org) A simulated dark matter halo from a many-body cosmological simulation. Credit: Wikipedia via CC BY-SA 3.0 After almost a century of speculation, proposals and searches for dark matter, physicists now know that it currently comprises about 27% of the universe’s mass-energy, with an […]
SpaceX to launch next-gen US spy satellites, 20 Starlink spacecraft from California early Nov. 30 (Image Credit: Space.com) SpaceX plans to launch another batch of U.S. spy satellites early Saturday morning (Nov. 30). A Falcon 9 rocket is scheduled to lift off from California’s Vandenberg Space Force Base on Saturday during a […]
Mysterious, record-breaking energy burst connected to dead star and red dwarf (Image Credit: Space.com) Astronomers have discovered a record-breaking burst of energy coming from deep space, tracing it to a binary system containing a tiny red dwarf star and a dead stellar remnant called a white dwarf. The team from the Curtin […]
SpaceX launching 24 Starlink satellites from Florida early Nov. 30 (Image Credit: Space.com) SpaceX plans to launch 24 more of its Starlink internet satellites from Florida’s Space Coast early Saturday morning (Nov. 30). A Falcon 9 rocket carrying 24 Starlink spacecraft is scheduled to lift off from Cape Canaveral Space Force Station […]
This spot will be key to the inevitable collapse of a key Atlantic current (Image Credit: Space.com) Scientists have pinpointed the ocean engine with the biggest role in driving key Atlantic currents that regulate Earth’s climate, new research suggests. The Irminger Sea off southeastern Greenland is where warm waters that transport heat […]
How bacteria are inspiring the next generation of space-borne lasers (Image Credit: Space.com) Solar-powered lasers that run on the photosynthetic machinery of bacteria could one day provide a low mass, simple and sustainable means of providing power in space, replacing the usual heavy lenses and complex electronics that aren’t very cost-effective to […]
Dead stars within supernova explosions could solve the dark matter mystery in 10 seconds (Image Credit: Space.com) Gamma rays emerging from neutron stars at the hearts of supernova explosions could solve the mystery of dark matter — in just 10 seconds. That is, if dark matter is composed of axions, which are […]
James Webb Space Telescope explores monster star supercluster Westerlund 1 (image) (Image Credit: Space.com) Using the James Webb Space Telescope, astronomers have taken a deep drive into a highly intriguing and massive young stellar cluster in the Milky Way. It’s called Westerlund 1. Located around 12,000 light years from Earth, Westerlund 1 […]
Voyager 1 interstellar spacecraft finds its voice again as NASA restores communications (Image Credit: Space.com) NASA has confirmed that one of its greatest ever missions, Voyager 1, is back in business with communications restored following an incident in October that had led to the veteran spacefarer losing its voice. Now 47 years […]
