Astronomy
![Astronomers Watch Supermassive Black Hole Turn On for First Time](/files/en/news/2024/7/1/52997_286.jpg)
Astronomers Watch Supermassive Black Hole Turn On for First Time
TEHRAN (ANA)- Over the past four years, astronomers have been able to watch the supermassive black hole in SDSS1335+0728’s center go from dim and quiet to bright and active, the first time such a transition has been observed in real time.
![Astronomers Develop New Observation Technique to Mitigate Asteroid Risks](/files/en/news/2024/6/26/52651_904.jpg)
Astronomers Develop New Observation Technique to Mitigate Asteroid Risks
TEHRAN (ANA)- A collaborative research team from China and Ukraine has been monitoring near-Earth asteroids (NEAs) through regular observations to attain accurate positioning and precise orbit determination for those celestial bodies.
![NASA's Supersonic X-59 Aircraft Passes Milestone Test for 1st Flight](/files/en/news/2024/7/9/53524_401.jpg)
NASA's Supersonic X-59 Aircraft Passes Milestone Test for 1st Flight
TEHRAN (ANA)- The U.S. National Aeronautics and Space Administration's (NASA) supersonic X-59 aircraft has completed a milestone review that will allow it to progress toward first flight, NASA said.
![Researchers Develop New Algorithm to Recognize Coronal Mass Ejections](/files/en/news/2024/5/25/50550_927.jpg)
Researchers Develop New Algorithm to Recognize Coronal Mass Ejections
TEHRAN (ANA)- Researchers in China have developed a new algorithm to automatically derive kinematic parameters of coronal mass ejections (CMEs) based on machine learning.
![Zombie Stars at Milky Way’s Core Defy Time](/files/en/news/2024/6/4/51239_166.jpg)
Zombie Stars at Milky Way’s Core Defy Time
TEHRAN (ANA)- Northwestern University’s new research using simulations of 1,000 stars around the Milky Way’s supermassive black hole, Sagittarius A*, reveals that high-speed stellar collisions lead to the formation of youthful-looking stars.
![What Is A Neutron Star?](/files/en/news/2024/5/27/50762_806.jpg)
What Is A Neutron Star?
TEHRAN (ANA)- A neutron star was formed in the last moments of the life of a very large star (with more than about eight times the mass as our Sun), when the nuclear fuel in its core eventually ran out.
![NASA’s DART Impact Changed Asteroid’s Shape, Orbit](/files/en/news/2024/5/13/49867_311.jpg)
NASA’s DART Impact Changed Asteroid’s Shape, Orbit
TEHRAN (ANA)- After NASA’s historic Double Asteroid Redirection Test, a JPL-led study has shown that the shape of asteroid Dimorphos has changed and its orbit has shrunk.
![Scientists Discover Special Binary Gravitational Wave Source with Shortest Orbital Period](/files/en/news/2024/4/17/48052_533.jpg)
Scientists Discover Special Binary Gravitational Wave Source with Shortest Orbital Period
TEHRAN (ANA)- Scientists at Tsinghua University recently discovered a binary star system consisting of a white dwarf and a hot subdwarf which were monitored orbiting each other at a record-breaking speed.
![Astronomers Detect Hidden Moons Orbiting Neptune, Uranus](/files/en/news/2024/4/7/47311_808.jpg)
Astronomers Detect Hidden Moons Orbiting Neptune, Uranus
TEHRAN (ANA)- Jupiter and Saturn need to step aside with their moon-hogging ways and the outer planets of the Solar System have also been harboring secret satellites, scientists at the Carnegie Institution for Science say.
![Old Stars May Be Prime Locations for Finding Alien Life](/files/en/news/2024/3/16/46125_438.jpg)
Old Stars May Be Prime Locations for Finding Alien Life
TEHRAN (ANA)- Astronomers have discovered that stars like the Sun experience a significant reduction in magnetic braking as they age, altering our understanding of star evolution and the potential for habitable environments around older stars.