Space

134 articles with this tag

How NASA's Artemis Program Works—Moon to Mars Science

How NASA's Artemis Program Works—Moon to Mars

NASA's Artemis program aims to return humans to the Moon and eventually reach Mars, using the powerful SLS rocket and Orion spacecraft. Here's how the...

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How Supermassive Black Holes Wake Up After Millions of Years Science

How Supermassive Black Holes Wake Up After Millions of Years

Most supermassive black holes sit quietly at the centers of galaxies, but some reignite after millions of years of dormancy, launching jets that stret...

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What Is the Hubble Tension—and Why Cosmology Is in Crisis Science

What Is the Hubble Tension—and Why Cosmology Is in Crisis

Two reliable methods for measuring the universe's expansion rate give stubbornly different answers, and the gap is now so large that physicists suspec...

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How Sungrazing Comets Work—and Why Most Don't Survive Science

How Sungrazing Comets Work—and Why Most Don't Survive

Sungrazing comets plunge within thousands of kilometers of the Sun's surface, enduring extreme heat and tidal forces. Most disintegrate, but their des...

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How Spacecraft Splashdown Recovery Works Science

How Spacecraft Splashdown Recovery Works

From parachute deployment to Navy diver extraction, here is how space agencies recover astronauts and capsules from the ocean — a method used since th...

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How Atoms Could Detect Gravitational Waves Science

How Atoms Could Detect Gravitational Waves

Scientists propose a radical new method to sense gravitational waves by tracking how they shift the light atoms emit, potentially shrinking detectors...

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What Are Quasicrystals and Why They Broke Science Science

What Are Quasicrystals and Why They Broke Science

Quasicrystals are materials with atoms arranged in ordered but never-repeating patterns, defying the rules of classical crystallography. From a ridicu...

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How Stellar Archaeology Works—and What Old Stars Reveal Science

How Stellar Archaeology Works—and What Old Stars Reveal

Stellar archaeology uses spectroscopy and chemical analysis to read the composition of ancient stars, unlocking secrets about the earliest era of the...

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How Dust Storms Create Electricity on Mars Science

How Dust Storms Create Electricity on Mars

Mars dust devils and storms generate static electricity strong enough to spark, reshaping the planet's chemistry and posing challenges for future miss...

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How Space Radiation Works—and Why It Threatens Astronauts Science

How Space Radiation Works—and Why It Threatens Astronauts

Beyond Earth's magnetic shield, astronauts face three invisible hazards: trapped particles in the Van Allen belts, unpredictable solar storms, and a r...

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How the Migdal Effect Works—and Why It Hunts Dark Matter Science

How the Migdal Effect Works—and Why It Hunts Dark Matter

The Migdal effect is a quantum phenomenon where a recoiling atomic nucleus ejects an electron, amplifying faint signals that could reveal lightweight...

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Why the Moon's Far Side Looks Nothing Like the Near Side Science

Why the Moon's Far Side Looks Nothing Like the Near Side

The Moon's hidden hemisphere is rugged, crater-scarred, and almost devoid of the dark plains visible from Earth. The explanation traces back to the Mo...

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