Marco Giannini

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The Greatest Cosmic Puzzle: Astronomers Find Stars That Appear Older Than The Universe

If you understand how stars work, you can observe the physical properties of one of them and extrapolate its age, and know when it had to have been born. Stars undergo a lot of changes as they age: their radius, luminosity, and temperature all evolve as they burn through their fuel. But a star’s …

Voyager: Inside the world's greatest space mission

In 1977, two spacecraft started a mission that has redefined our knowledge of the Solar System – and will soon become our ambassadors on a journey into the unknown. BBC Future looks at their legacy, 40 years after launch.<p>In a beige-coloured cubicle, on the ground floor of a nondescript suburban …

Space

Summer Highlights: Nebulae and Clusters - Sky & Telescope

<i>Warm nights and dark skies are ideal for enjoying these classic beauties.</i><p>Atop our windy hill, emerald fields turn obsidian as night sweeps her cloak …

Energia oscura, l’acceleratore del cosmo

La copertina di Science del 19 dicembre 2003, dedicata all’energia oscura. Crediti: Cameron Slayden/ScienceI cosmologi chiamano <b>energia oscura</b> (in …

These gorgeous posters of national parks will make you excited for the solar eclipse

The final countdown has begun to watch the rare solar eclipse, which will cut across the US on August 21. And if you want to experience it in some of the most beautiful spots in the country, you’re in luck: There are 20 national parks and nine national trails in the path of the totality.​<p>Artist and …

11 Scientific Advances Of The Past 100 Years Gave Us Our Entire Universe

Exactly 100 years ago, our conception of the Universe was far different from what it is today. The stars within the Milky Way were known, and were known to be at distances up to thousands of light years away, but nothing was thought to be further. The Universe was assumed to be static, as the …

Universe

This One Imperfection In Nuclear Physics Allowed Earth To Exist

In order to create a rocky planet that’s teeming with life, the Universe needed to create large amounts of the heavy elements required for life’s processes. To make many of those elements, such as Tin, Iodine, Selenium, Molybdenum, Zinc, and Copper, you need supernovae to have occurred many times …

Neutrons

Aliens from another dimension might have created our universe, according to a speculative new study

Does humanity exist to serve some ultimate, transcendent purpose?<p>Conventional scientific wisdom says no. As physicist Lawrence Krauss puts it in his latest book, our evolution on this planet is just a "cosmic accident". If you believe otherwise, many would accuse you of suffering from some kind of …

Forget Coal: Asteroid Mining Is Coming Sooner Than You Think

Robots are paving the way toward lucrative space mining as NASA and private startups launch pioneering prospecting missions to precious metal-rich asteroids.<p>President Donald Trump is obsessed with returning America to its coal mining past—but scientists and entreprenurs have far more ambitious …

Link About It: The Universe is Even Bigger Than We Thought

Last week, The Astrophysical Journal published a piece by Christopher J Conselice, an astrophysicist at the University of Nottingham, England and his findings are mind-boggling. As if the concept of the universe's size wasn't already hard to comprehend, Conselice's research shows that there are …

ALMA 'Weighs' Monster Black Hole to Highest Precision

There's a hurricane surrounding a supermassive black hole 75 million light-years away and astronomers have clocked its speed to calculate the black …

Home

If you don’t have video in your content mix, you’re missing out. It’s simpler to make than ever, ...<p>November 1, 2017<p>Want to know how to make …

Astronomers built the largest map of “holes” in the universe to prove Einstein was right about gravity

Since its discovery in 2008, astronomers have been puzzled by a cosmic mystery so vexing that it has even led some to question whether the general theory of relativity—Einstein’s masterpiece theory of gravity—is wrong on cosmic scales. The trouble is that light travelling through the universe does …