The asteroid that extinguished the dinosaurs is estimated to have been about 10 kilometers across. That's about as wide as Brooklyn. Such a massive impactor is predicted to hit Earth rarely, once every 100 million to 500 ...
Planetary Sciences
Dec 9, 2024
0
46
Six years ago, NASA's Dawn mission communicated with Earth for the last time, ending its exploration of Ceres and Vesta, the two largest bodies in the asteroid belt. Since then, Ceres —a water-rich dwarf planet showing signs ...
Astrobiology
Dec 4, 2024
2
903
A mysterious object discovered in the main asteroid belt in 2021 was determined to be a main-belt comet by Planetary Science Institute Senior Scientist Henry Hsieh, Scott Sheppard of the Carnegie Institution for Science and ...
Astronomy
Dec 3, 2024
0
142
Popular media love talking about asteroid mining using big numbers. Many articles talk about a mission to Psyche, the largest metallic asteroid in the asteroid belt, as visiting a body worth $10,000,000,000,000,000,000, presumably ...
Planetary Sciences
Nov 29, 2024
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100
Asteroids are remnants of the formation of our solar system, and while many can be found within the asteroid belt between the orbits of Mars and Jupiter, some cannot. One such object is asteroid (162173) Ryugu, a 1 km-wide ...
An international team led by three researchers from the CNRS, the European Southern Observatory (ESO, Europe), and Charles University (Czech Republic) has successfully demonstrated that 70% of all known meteorite falls originate ...
Planetary Sciences
Oct 16, 2024
1
126
Since the first sighting of the first-discovered and largest asteroid in our solar system was made in 1801 by Giuseppe Piazzi, astronomers and planetary scientists have pondered the make-up of this asteroid/dwarf planet. ...
Planetary Sciences
Sep 28, 2024
2
398
Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research published in the journal Science Advances suggests that Ryugu was formed near Jupiter.
Planetary Sciences
Sep 27, 2024
0
370
