Cosmology
Scientists Finally Uncover Mysterious Origin of Most Meteorites
TEHRAN (ANA)- Researchers found that 70% of meteorites originate from three asteroid families formed by recent collisions and they have identified the sources of over 90% of all known meteorites.
Black Hole Mergers Hiding Mysterious New Particles
TEHRAN (ANA)- Merging black holes may reveal new particles through gravitational waves, either via ionization or specific orbital changes which offers new strategies to search for ultralight particles.
Astronomers Discover Record-Breaking Twin Quasars in Early Universe
TEHRAN (ANA)- Astronomers have identified the earliest pair of quasars, shining 900 million years post-Big Bang, revealing insights into galaxy mergers and the reionization era of the Universe.
Researchers Uncover Unexpected Origin of Dinosaur-Killing Asteroid
TEHRAN (ANA)- A study led by the University of Cologne identified the origin of the asteroid that wiped out the dinosaurs as being from outside Jupiter’s orbit.
Scientists Reveal Patterns in Earth's Rotational Deceleration over Millions of Years
TEHRAN (ANA)- Chinese researchers, in collaboration with counterparts from France, Germany and Ireland, have discovered that between 650 million and 280 million years ago, the Earth-Moon distance increased by approximately 20,000 km, and the length of a day extended by roughly 2.2 hours.
Astronomers Develop New Technique to Extract Information from Galaxies
TEHRAN (ANA)- A new research method developed by NAOC scientists improves the extraction of complex galaxy data, paving the way for future cosmic explorations and surveys.
Protoplanetary Puzzles Solved at Hyper Speed
TEHRAN (ANA)- Researchers have developed a new model for planet formation that shows how disturbances in protoplanetary disks can quickly form gas giants and this process is more efficient than previously thought and aligns with recent observations of distant gas giants.
NASA's Webb Space Telescope Finds Most Distant Known Galaxy
TEHRAN (ANA)- Astronomers using data from NASA's James Webb Space Telescope have found what appears to be the most distant known galaxy, according to NASA.
Astronomers Uncover Massive Magnetic Toroids in Milky Way Halo
TEHRAN (ANA)- Astrophysicists have discovered large magnetic toroids in the Milky Way’s halo, which impact cosmic ray propagation and the physics of interstellar space.
Webb Unlocks Secrets of Universe’s First Light
TEHRAN (ANA)- Utilizing data from NASA’s James Webb Space Telescope, scientists have unveiled the earliest starlight spectra, revealing low-mass galaxies’ central role in the universe’s dawn.