The Crab Nebula’s heartbeat, as seen by Hubble and Chandra

“My eureka moment was in the dead of night, the early hours of the morning, on a cold, cold night, and my feet were so cold, they were aching. But when the result poured out of the charts, you just forget all that. You realize instantly how significant this is—what it is you’ve really landed … Read moreThe Crab Nebula’s heartbeat, as seen by Hubble and Chandra

Comments of the Week #110: from dark matter and black holes to supernovae and dark energy

“If I can’t make it through one door, I’ll go through another door – or I’ll make a door. Something terrific will come no matter how dark the present.” -Rabindranath Tagore Time continues marching on here at Starts With A Bang, just as it does everywhere. My Patreon supporters have stepped up their game, and we’re just … Read moreComments of the Week #110: from dark matter and black holes to supernovae and dark energy

Could a new type of supernova eliminate dark energy? (Synopsis)

“It’s everywhere, really. It’s between the galaxies. It is in this room. We believe that everywhere that you have space, empty space, that you cannot avoid having some of this dark energy.” -Adam Riess Back in the 1990s, scientists were quite surprised to find that when they measured the brightness and redshifts of distant supernovae, … Read moreCould a new type of supernova eliminate dark energy? (Synopsis)

The Milky Way’s most recent supernova was hidden… until now! (Synopsis)

“When a star goes supernova, the explosion emits enough light to overshadow an entire solar system, even a galaxy. Such explosions can set off the creation of new stars. In its own way, it was not unlike being born.” -Todd Nelson In 1604, Kepler’s supernova went off, the last Milky Way supernova visible to naked-eye … Read moreThe Milky Way’s most recent supernova was hidden… until now! (Synopsis)

What’s the third most common element in the Universe? (Synopsis)

“The two most common elements in the universe are hydrogen and stupidity.” -Harlan Ellison Shortly after the Big Bang, the Universe was filled with 99.99999993% hydrogen and helium, with the rest being lithium. But stars change everything, by fusing those elements — the lightest ones — into heavier ones, climbing the periodic table and enriching … Read moreWhat’s the third most common element in the Universe? (Synopsis)

Mostly Mute Monday: A Tribute To The Greatest French Nebula In Space (Synopsis)

“Truth is more valuable if it takes you a few years to find it.” -Jules Renard Of all the star-forming nebulae in our galaxy, the Trifid Nebula — Messier 20 — is thought to be the newest and youngest. Named “Trifid” for its threefold appearance, the blue reflection nebula, the red emission nebula, and the … Read moreMostly Mute Monday: A Tribute To The Greatest French Nebula In Space (Synopsis)

Mostly Mute Monday: Lifting The Cosmic Veil (Synopsis)

“No matter how ‘normal’ people look, living ‘ordinary’ lives, everyone has a story to tell. And may be, just like you, everyone else is a misfit too.” –Sanhita Baruah Every century or so, possibly even more frequently, a supernova goes off somewhere in the Milky Way galaxy. While the explosion itself is only visible for a … Read moreMostly Mute Monday: Lifting The Cosmic Veil (Synopsis)