Satellites

22 articles with this tag

What Is Gaganyaan: India's First Human Spaceflight Science

What Is Gaganyaan: India's First Human Spaceflight

Gaganyaan is India's ambitious crewed space mission, designed to carry three astronauts to low Earth orbit and return them safely — making India only...

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Hidden Solar Fingerprints May Transform Space Weather Science

Hidden Solar Fingerprints May Transform Space Weather

Scientists have discovered that the Sun's interior leaves measurable structural "fingerprints" between solar cycles — a breakthrough that could dramat...

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What Are JWST's Little Red Dots? Science

What Are JWST's Little Red Dots?

Since 2024, the James Webb Space Telescope has detected hundreds of mysterious compact red objects in the early universe. Scientists are debating whet...

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New Mars Mineral Found in Ancient Sulfur Deposits Science

New Mars Mineral Found in Ancient Sulfur Deposits

Scientists have identified ferric hydroxysulfate, a potentially brand-new mineral, in ancient sulfate-rich sediments on Mars. The discovery, published...

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What Are Quadruple Star Systems and How They Work Science

What Are Quadruple Star Systems and How They Work

Most stars are not alone in space. Multiple star systems — pairs, triples, and quartets locked in gravitational embrace — are surprisingly common, and...

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How Reusable Rockets Work and Why They Matter Technology

How Reusable Rockets Work and Why They Matter

Reusable rockets recover their boosters after launch, refurbish them, and fly again—slashing launch costs by up to 75% and transforming space from a g...

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How Satellites Detect Failing Bridges Before They Collapse Technology

How Satellites Detect Failing Bridges Before They Collapse

A space-based radar technique called InSAR can spot millimeter-scale movements in bridges and other infrastructure — offering an early warning system...

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How Sea Level Rise Is Measured—and Why It's Off Science

How Sea Level Rise Is Measured—and Why It's Off

Scientists use tide gauges and satellites to track rising oceans, but a landmark 2026 study found that 90% of coastal hazard assessments have been usi...

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Webb Telescope Spots Most Distant Jellyfish Galaxy Yet Science

Webb Telescope Spots Most Distant Jellyfish Galaxy Yet

The James Webb Space Telescope has captured the galaxy COSMOS2020-635829 at a distance of 8.5 billion light-years — the most distant "jellyfish galaxy...

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What Is China's Xuntian Space Telescope? Science

What Is China's Xuntian Space Telescope?

China's Xuntian telescope — a 2.5-billion-pixel cosmic surveyor set to launch in late 2026 — promises to map 40% of the sky and reshape our understand...

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Japan's HTV-X1 Departs ISS After Delivering 5.5 Tons Science

Japan's HTV-X1 Departs ISS After Delivering 5.5 Tons

JAXA's next-generation HTV-X1 cargo spacecraft undocked from the International Space Station on March 6, 2026, after delivering roughly 5,470 kilogram...

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Blood Moon on March 3, 2026: Last Total Lunar Eclipse Until 2028 Science

Blood Moon on March 3, 2026: Last Total Lunar Eclipse Until 2028

In the early hours of March 3, 2026, the Moon will turn a deep red for 59 minutes during a total eclipse visible from the Americas, East Asia, and the...

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