Ram Kumar Reddy

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More evidence that Jupiter kicked ancient planets out of the solar system

Jupiter, Jupiter, Jupiter. We've got to have a talk.<p>According to a recent study in The Astrophysical Journal, Jupiter probably kicked a ninth planet out of our solar system back in the day.<p>[<i>Mysterious space junk is hurtling towards Earth (and scientists are super excited)</i>]<p>The study attempts to …

Watch NASA Test A Rocket Engine That Could Fuel Up On Other Planets

Let 'er rip!<p>Methane is a potent greenhouse gas that we're all very worried about here on Earth. But up in space? That's a whole different ballgame.<p>Unlike liquid hydrogen, which is the fuel of choice for today's rockets, methane is more stable, can be stored safely at higher temperatures, and is …

"Top 10" Surprises from the Pluto Flyby - Sky & Telescope

<b>New Horizons' principal investigator describes the most amazing discoveries made when NASA's New Horizons spacecraft flew past Pluto last July.</b><p>It …

Why Do Supermassive Black Holes Erupt?

Astronomers are dragging the inner workings of black holes out into the light.<p>The powerful X-ray flares seen erupting from supermassive black holes …

Einstein Is Right About General Relativity — Again

Albert Einstein's theory of general relativity has been proven right again — and this time, physicists have pinned down just how precise it is: Any …