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Monday, 15 July 2024

Astronomers Claim Earth is Surrounded by Dark Comets

In the vast darkness of space, our solar system teems with numerous rocky asteroids and glowing comets. However, an international team of astronomers has identified a lesser-known category of celestial bodies: dark comets. These intriguing objects, wh…
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Astronomers Claim Earth is Surrounded by Dark Comets

By janimonow on July 15, 2024

In the vast darkness of space, our solar system teems with numerous rocky asteroids and glowing comets. However, an international team of astronomers has identified a lesser-known category of celestial bodies: dark comets. These intriguing objects, which possess characteristics of both asteroids and comets, may have played a crucial role in delivering water to Earth in its early history.

A New Discovery

Detailed in the scientific journal Icarus, the study suggests that dark comets might make up as much as 60 percent of near-Earth objects. These bodies likely originated from the asteroid belt between Mars and Jupiter.

"We think these objects came from the inner and/or outer main asteroid belt," said Aster Taylor, Michigan astronomy doctoral candidate and lead author of the study. "This implies another mechanism for bringing ice into the inner solar system."

Dark Comets Explained

Unlike conventional comets, dark comets do not exhibit the typical dust and gas cloud when near the Sun. Instead, they behave more like asteroids but contain or once contained small amounts of ice, causing them to move like comets as they approach the Sun.

Potential Implications for Earth's Water

The study's findings suggest that dark comets could have significantly contributed to Earth's water supply. Computational models indicate that these objects may have transported ice to Earth, raising the possibility that they played a role in filling our oceans. This aligns with the theory that asteroids and comets delivered essential water and possibly even organic molecules necessary for life.

Unraveling the Mysteries of Dark Comets

While it's uncertain if dark comets directly delivered water to Earth, their potential role highlights the ongoing debate about the origin of Earth's water. "The work we've done shows that this is another pathway to get ice from the rest of the solar system to Earth's environment," Taylor concluded.

Studying these enigmatic dark comets further could provide critical insights into the origins of water and life on our planet, bringing us closer to understanding our cosmic history.

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