Astronomy on MSN6 天
Why do the solar system’s planets have different compositions?
While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.
来自MSN2 天
Scientists say 2 asteroids may actually be fragments of destroyed planets from our early ...
New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...
来自MSN6 天
From gas giants to rocky worlds: Why planets in our solar system differ
The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...
Phys.org on MSN7 天
Life-bearing water arrived on Earth later rather than sooner, meteorite analysis suggests
A team led by a Rutgers-New Brunswick scientist has concluded water did not arrive as early during Earth's formation as ...
Knowridge1 天
Water arrived in the final stages of Earth’s formation
Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...
Science Daily12 个月
Kuiper Belt News
Nov. 12, 2024 — A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that ...
Business Insider1 年
The Milky Way's shiniest known planet has metal clouds that rain down titanium. Astronomers ...
Venus, the solar system's shiniest planet, reflects 75% of the sunlight. Scientists believe the planet's mirror-like quality is due to the composition of its atmosphere. The metallic clouds that ...