SANJAY SHARMA

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Catch the 'Winter Football' and Other Asterisms with Mobile Astronomy Apps

Constellations have long been used to organize the night sky and capture our imaginations with their myths and legends. But only a limited number of …

What Do We Encounter Going Straight Up Out Of The Solar System?

So if our solar system is more or less flat in terms of the planetary rotations around the sun (I’m using typical pictorial depictions of the solar system), what is up and down from our solar system and galaxies? It doesn’t seem like above and below of light years in space is ever explored. Or are …

5 Facts Everyone Must Know Now That The Solstice Is Over

As the year draws to a close, we approach a very special time of year, at least from an astronomical perspective. This past Thursday, December 21st, marked the Winter Solstice in the Northern Hemisphere, or the date where the Earth’s axis is tilted its maximal amount away from the Sun, as viewed …

After 27 Years in Service, Hubble’s Telescope and Camera are a Mystery to Most

<i>Image Credit: NASA/R. Gendler; Acknowledgment: J. GaBany</i>When NASA launched the Hubble Space Telescope on April 24, 1990, aboard the space shuttle</i> …

Discover the Major Lines of Latitude and Longitude on a World Map

The Equator, Tropics, and Prime Meridian<p>Three of the most significant imaginary lines running across the surface of Earth are the equator, the Tropic …

Hemisphere

Cosmos At Least 250x Bigger Than Visible Universe, Say Cosmologists

The universe is much bigger than it looks, according to a study of the latest observations.<p>When we look out into the Universe, the stuff we can see …

Solar System

Sorry In Advance, Because These Facts Will Put You In An Existential Crisis

Welp, I'm insignificant.

Knowledge Management

A Gallery of Constellation Pictures

Constellations are patterns of stars in the sky that skygazers have used since antiquity to navigate and learn about space. Sort of like a game of …

Hemisphere

The Hubble Space Telescope Is Falling

Since 1990, the Hubble Space Telescope has been redefining how we view our Universe. From hundreds of miles above the surface of the Earth, it orbits the entire world every 97 minutes. Multiple servicing missions, including the final one in 2009, have corrected its optics, enhanced its cameras, …

Hubble Space Telescope

All About the Whirlpool Galaxy

The Whirlpool (also known as Messier 51 (M51) is a two-armed spiral galaxy that lies somewhere between 25 to 37 million light-years away from our own …

Hubble Space Telescope

A Rare Occultation Is About to Happen as The Moon Will Block Out Three Planets

Here's what to expect.<p>On September 18, the Moon will pass in front of three planets and one of the brightest stars in our night sky, all in less than …

Cassini's last picture — and 13 more stunning images from the spacecraft

<i>A giant of a moon appears before a giant of a planet undergoing seasonal changes in this natural color view of Titan and Saturn from NASA's Cassini</i> …

Massive black hole discovered near heart of the Milky Way

Astronomers find evidence of enormous black hole one hundred thousand times more massive than the sun in a gas cloud near the galaxy’s centre<p>An enormous black hole one hundred thousand times more massive than the sun has been found hiding in a toxic gas cloud wafting around near the heart of the …

Black Holes

A Galaxy 5 Billion Light-Years Away Just Revealed a Major Clue to Universe's Magnetism Mystery

It's a cosmic fossil record.<p>Scientists have discovered evidence that galactic magnetic fields form early on in a galaxy's life and then stay …

Time Travel Isn't Possible…Or Is It?

<i>Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI Science Center. Sutter is also host of Ask a Spaceman,</i> …

Physics

27 stunning photos of our universe

On August 21, you'll be able to stream the "first coast-to-coast total solar eclipse in 99 years" live on Facebook. If you live in the US, you can also just walk outside and look up — as long as you're wearing a pair of protective glasses, that is.<p>Solar eclipse aside, there's a special sense of …

Hubble

Supernova shows "the universe is crazier than science fiction"

Thanks to a worldwide network of 18 robotic telescopes, researchers led by the University of California Santa Barbara (UCSB) were able to catch a …

Scientists say there could be tens of millions of black holes in our own galaxy

About 26,0000 light-years past Earth, nestled in the center of our Milky Way galaxy, is a strange destination with a strange name: Sagittarius A*. …

The Milky Way’s Supermassive Black Hole is Proving Einstein Correct

As if he needs it.<p>Sitting at the center of the Milky Way galaxy lies a supermassive black hole named Sagittarius A* (Sgr A*), possessing the mass of …

This Is The Most Detailed Map Yet of The Universe's Dark Matter

10 times bigger than the last one.<p>New research conducted as a part of the ongoing Dark Energy Survey (DES) has used the way mass distorts light to …

A Plasma Rocket Engine May Get Us To Mars In 40 Days (Elon Musk, Are You Listening?)

Born the son of Chinese and Costa Rican parents and with just $50 in his pocket, Franklin Chang Diaz came to the U.S. to do his undergraduate studies at the University of Connecticut and later, his graduate work at the Massachusetts Institute of Technology. At the time, the 18-year-old had no idea …

Space Exploration

Scientists have discovered the hottest planet in the universe

The planet orbits a blazing star called KELT-9, which is some 650 light-years away. It's the first time astronomers have detected a planet near a star this hot, and it's different from anything they've seen before.<p>For one, KELT-9b is crazy hot, as its surface reaches around 4,600 Kelvin on the day …

NASA Rover Gets Movie As A Mars Moon Passes Another – NASA’s Mars Exploration Program

This view of the two moons of Mars comes from a set of images taken by NASA's Mars rover Curiosity as the larger moon, Phobos, passed in front of the …

NASA's Curiosity Mars rover looks so small and alone in this amazing new photo

Just a pale blue dot.<p>One of the most awe-inspiring images of Earth is the photograph "Pale Blue Dot", taken by the Voyager 1 spacecraft as it sped billions of miles away from our planet. And Carl Sagan's reflection on the image is perhaps one of the most poignant bits of science writing ever …

Why Can't We See Stars During The Day?

<i>What causes our inability to see stars during the day? originally appeared on Quora –</i> <i>the place to gain and share knowledge, empowering people to learn from others and better understand the world</i>.<p><b>Answer by Rebecca Pitts, MS in astronomy, working toward PhD, on Quora:</b><p><i>“What causes our inability to see</i> …

Mobile Stargazing: Binocular Astronomy Tips and Targets for Summer 2017

In the Oct. 21, 2016, edition of Mobile Astronomy, we examined how to use binoculars for astronomy, explained how they work and what to shop for, and …

How Does Earth Move Through Space? Now We Know, On Every Scale

Ask a scientist for our cosmic address, and you’ll get quite a mouthful. Here we are, on planet Earth, which spins on its axis and revolves around the Sun, which orbits in an ellipse around the center of the Milky Way, which is being pulled towards Andromeda within our local group, which is being …

New alien planet boasts rare triple suns

Artist's Concept of HD 1885 Ab (NASA/JPL-Caltech)<p>Eat your heart out, Tatooine: A newly discovered alien planet has not one, not two, but three suns …

European Space Agency

NASA Photos Of Mars Show The Red Planet’s Unique Beauty

The United States didn't successfully get a spacecraft to Mars until 1971 after years of failed attempts and months after Russia (then the USSR) had …

Mars

Scientists Watch Star Become Black Hole, But They Were Expecting Supernova

Scientists expected to see an enormous star explode in a supernova but they may have watched it collapse into a black hole instead.<p>NASA’s Goddard …