Aahan Sawhney

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Sun's 8.2-billion-year-old twin found

About 250 light-years away in the constellation Capricornus (The Sea Goat) lies a star that looks awfully familiar.<p>Known as HIP 102152, the star is a virtual twin of our sun, which in and of itself is not so unusual. But HIP 102152 is older than our 4.6-billion-year old sun -- by nearly 4 billion …

The 20 big questions in science

1 What is the universe made of?<p>Astronomers face an embarrassing conundrum: they don’t know what 95% of the universe is made of. Atoms, which form everything we see around us, only account for a measly 5%. Over the past 80 years it has become clear that the substantial remainder is comprised of two …

Newly forming star stretched a light-year long

Hot, bright stars generate harsh stellar winds that are blast ultraviolet radiation toward a protostar, sculpting it into the light-year-long shape …

This date in science: Pioneer 11 swept past Saturn

Pioneer 11 was the first spacecraft ever to encounter Saturn. It paved the way for the even-more-sophisticated Voyager and Cassini</b> …

Astronomy

WIRED Space Photo of the Day 2013 | WIRED

Jan. 19, 2014: Solar X-Flare<p>The largest sunspot group of the solar cycle unleashed a large (X1.2 class) flare just when it was facing right towards …

Space Pictures This Week: Mars Mini-Eclipse, Cosmic Crash