Haresh Kumar

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A Tale of Four Supernovas

Science & InnovationNo Place Like Home<p>Explosions are always messy, and this is especially true when combustion occurs on a cosmic scale.<p>In space, small, dead stars called white dwarfs occasionally blow themselves to smithereens, producing enough light to drown out entire galaxies. Astronomers use …

Universe

Deneb, tail of Cygnus the Swan

Tonight, look for Deneb, the brightest star in the constellation Cygnus the Swan. The night sky chart at the top of this post presents the view …

Does the North Star ever move?

It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole …

Astronomy

Polaris is the North Star

Many people think Polaris is the sky’s brightest star. In fact, Polaris ranks only 50th in brightness. Still, Polaris is famous because the entire …

Medusa Nebula foreshadows our sun’s fate

Here’s the most detailed image yet of the Medusa Nebula. The image foreshadows the final fate of our sun, which will eventually become an object of …