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Search results for planetesimals

Planetary Sciences Jun 18, 2024

In the hunt for a second Earth, look to small planets, says new research

Scientists around the world are constantly on the hunt for planets outside our solar system that could potentially provide a habitable environment for life.

Planetary Sciences Jun 17, 2024

Researchers uncover nitrogen's origin and early evolution on Earth

A research team led by Prof. Wang Wenzhong from the School of Earth and Space Sciences of the University of Science and Technology of China (USTC), in collaboration with international scholars, studied the fractionation behavior ...

Astronomy Jun 6, 2024

Earliest detection of metal challenges what we know about the first galaxies

Astronomers have detected carbon in a galaxy just 350 million years after the Big Bang, the earliest detection of any element in the universe other than hydrogen.

Planetary Sciences Jun 4, 2024

Simulation of factors that led to Arrokoth's red color suggest its surface is rich in sugars

A team of space scientists and chemists at the University of Hawaii at M膩noa, Universit茅 C么te d'Azur and the Southwest Research Institute has found the planetesimal Arrokoth likely gets its red color from a surface rich ...

Space Exploration May 22, 2024

NASA's Psyche fires up its sci-fi-worthy thrusters

NASA's Psyche spacecraft passed its six-month checkup with a clean bill of health, and there's no holding back now. Navigators are firing its futuristic-looking electric thrusters, which emit a blue glow, nearly nonstop as ...

Planetary Sciences May 15, 2024

TRAPPIST-1 outer planets likely have water, research suggests

The TRAPPIST-1 solar system generated a swell of interest when it was observed several years ago. In 2016, astronomers using the Transiting Planets and Planetesimals Small Telescope (TRAPPIST) at La Silla Observatory in Chile ...

Astronomy May 3, 2024

Hungry, hungry white dwarfs: Solving the puzzle of stellar metal pollution

Dead stars known as white dwarfs, have a mass like the sun while being similar in size to Earth. They are common in our galaxy, as 97% of stars will eventually become white dwarfs. As stars reach the end of their lives, their ...

Planetary Sciences Apr 16, 2024

Dating the solar system's giant planet orbital instability using enstatite meteorites

Evidence from the fragments of a destroyed asteroid suggests that the shift in the positions of the giant planets in our solar system billions of years ago happened between 60鈥100 million years after the solar system's ...

Astronomy Mar 27, 2024

In a distant stellar system, the JWST sees the end of planet formation

Every time a star forms, it represents an explosion of possibilities. Not for the star itself; its fate is governed by its mass. The possibilities it signifies are in the planets that form around it. Will some be rocky? Will ...

Planetary Sciences Mar 4, 2024

James Webb Space Telescope captures the end of planet formation

The James Webb Space Telescope (JWST) is helping scientists uncover how planets form by advancing understanding of their birthplaces and the circumstellar disks surrounding young stars.

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