Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.
ArticleBody:When NASA scientists caught a glimpse of the first images taken by the instruments aboard the Lucy spacecraft of the asteroid Dinkinesh, they were surprised to see that it is orbited by a satellite asteroid. This satellite designated as Selam also has another surprise in store. Selam is not just one moon. It is a contact binary–two moons melded together–that was formed by debris that flew off of its parent asteroid.
“One of the things that’s critical to understanding how planets like Earth got here is understanding how objects behave when they hit each other, and to understand that we need to understand their strength,” study co-author and Southwest Research Institute planetary scientist Hal Levison said in a statement. “Basically, the planets formed when orbiting the Sun ran into each other.
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