2 populations of dark comets in the solar system could tell researchers where the Earth got ...
Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.
NASA detects more dark comets, providing more clues to how planets form
Dark comets are comets that are so small, fast and/or chemically rare that they are difficult to see from Earth ...
What is a dark comet? A quick guide to the ‘new’ kids in the Solar System
In 2017, astronomers found an object they’d never seen before. Now, it’s part of a growing category of elusive ‘dark comets’ ...
Enigmatic ‘Dark Comets’ Come in Two Distinct Types, Study Finds
The study also reveals that these mysterious objects fall into two distinct groups based on their orbit and size. With this ...
Space on MSN10 天
Astronomers discover 7 new 'dark comets,' but what exactly are they?
Scientists have discovered seven more "dark comets," and analysis of this haul suggests that the puzzling planetoids are ...
CNN4 天
Astronomers discover two populations of unusual dark comets in our solar system
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...
Salon5 天
NASA detects more dark comets, providing more clues to how planets form
Dark comets range in size from a few feet to several hundred yards, are often composed of rare minerals and tend to spin so fast they are hard to detect. Despite these obstacles, however ...
Live Science11 天
Comets played a 'major' role in making life on Earth possible, new study hints
Mysterious, city-size 'centaur' comet gets 300 times brighter after quadruple cold-volcanic eruption 'Crumb trails' of meteoroids could reveal potential 'planet-killer' comets years before they ...