What it takes to keep NASA’s flagship Chandra Observatory flying for a quarter of a century

For the past 25 years, NASA's flagship Chandra X-ray Observatory recorded X-ray emissions from exploding stars, supermassive black holesgalaxy clusters and other exotic, high-energy pockets of our universe, allowing scientists…

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NASA warns of 380-foot asteroid hurtling toward Earth at breakneck speed of about 29,000 km/h – Times of India

Another asteroid 2011 MW1 is speeding too close to earth at a speed of 28,946 km/h. NASA has issued an alert regarding this asteroid. 2011 MW1 is an Apollo-class asteroid…

Continue ReadingNASA warns of 380-foot asteroid hurtling toward Earth at breakneck speed of about 29,000 km/h – Times of India

2.5 billion-year-old ‘time capsule’ rocks rewrite history: New study challenges mantle oxidation theory

A thin section of ancient rocks collected from the Gackel Ridge near the North Pole, imaged under a microscope and seen under cross-polarized light. Field width ~ 14mm. Analyzing rocks…

Continue Reading2.5 billion-year-old ‘time capsule’ rocks rewrite history: New study challenges mantle oxidation theory