Giant-impact hypothesis articles
How did Theia turn into the moon?
The spectacular formation of our Moon remains one of the most compelling stories in planetary science, originating from ...
What is the core of a giant star?
The heart of any star, regardless of its eventual size, is an environment unlike anything else in the cosmos. It is the ...
What determines if a star becomes a giant or a supergiant?
The fundamental fate of a star, whether it will swell into a mere giant or erupt into the cosmic behemoth known as a sup...
What hypothesis explains how our solar system was first created?
The leading explanation for the birth of our solar system, a concept refined over centuries, centers on the **Nebular Hy...
How do stars go from main sequence to red giant?
The life of a star is a constant, silent battle between two fundamental forces: the relentless inward crush of gravity a...
What is the difference between a blue giant and a white dwarf?
The universe is populated by stars, each following a distinct evolutionary path dictated primarily by its initial mass, ...
Why does a main sequence star turn into a red giant?
The transformation from a stable, middle-aged star to a bloated, luminous giant is one of the most dramatic events in st...
What evidence supports the hypothesis that water once flowed on the surface of Mars?
The evidence suggesting that liquid water once shaped the surface of Mars is now substantial, built up over decades of r...
How did Galileo's discovery of the Galilean moons of Jupiter impact our understanding of the universe?
The initial flicker of light Galileo Galilei noticed in January of 1610, when pointing his newly improved telescope towa...
What is the explosion of a red giant called?
The spectacular ending to the life of certain massive stars is one of the most energetic events in the universe, capable...
How the star will become a red giant after the main sequence phase?
The transformation of a star from its stable main sequence existence into a swollen, luminous red giant marks one of the...
Which is hotter, a blue giant or a white dwarf?
When examining the vastness of the cosmos, the surface temperature of a star is not always intuitively related to its ap...
What is the deepest impact crater on the Moon?
The most colossal scar on the surface of our nearest celestial neighbor is the **South Pole-Aitken (SPA) basin**. This i...
Why do red giants cool?
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