🔬 Science 14h ago · Paul Scott Anderson

Giant mega-Earth is 23 times more massive than Earth

EarthSky
EarthSky science news
View Channel →
Giant mega-Earth is 23 times more massive than Earth
Source ↗ 👁 0 💬 0
View larger. | Artist’s concept of a giant mega-Earth. The newly discovered mega-Earth GJ 523b is 23.5 times the mass of Earth and 2.5 times its size. Image via Pablo Carlos Budassi/ Wikimedia Commons.

Astronomers have confirmed an unusual planet called GJ 523b. It belongs to a rare group of worlds known as mega-Earths.
The planet is only about 2.5 times as wide as Earth but has more than 23 times its mass. That makes it unusually dense.
Scientists don’t understand how it formed this way.

Comments (0)

Sign in to join the discussion

More Like This

Compared to driving, flying is extraordinarily safe. But why doesn't it feel that way?
Medical Xpress - latest medical and health news stories · 7h ago
Deep-sea methane filter develops faster than previously thought
Phys.org - latest science and technology news stories · 7h ago
Metabolic networks provide clues about the earliest stages of enzyme evolution
Phys.org - latest science and technology news stories · 7h ago
Toronto Blue Jays Roasted for Posting AI Slop Promoting Nestle, Claiming It’s the Work of a Human Animator
Futurism · 7h ago
Neutron bone imaging brings T. rex to life
Phys.org - latest science and technology news stories · 7h ago
GenAI increasingly seen by investors as a key tool to research companies and evaluate stocks
Phys.org - latest science and technology news stories · 7h ago