Okay But What If Angels Are Black Holes And Halos Are Just The Light Warping Around Them Being Pulled

What colour space actually is? I always thought of it as a dark dark dark blue. Why is so? Are we even able to name the colour of it?

Well most of space is very low density and very low pressure. Color is either emitted (as it is by stars, or a lightbulb) or when light interacts with a material.  In space if you’re near something emitting light or reflecting light, you will see that color.  If you are far enough away from all light, it would be black. Without a material to absorb or reflect light, it just keeps traveling on its path. So if no one observed the stars while floaring out in space (light interacting with your eye) would there actually be light there???? Philosophy questions for the new era

Newest LIGO Signal Raises A Huge Question: Do Merging Black Holes Emit Light?

“The second merger held no such hints of electromagnetic signals, but that was less surprising: the black holes were of significantly lower mass, so any signal arising from them would be expected to be correspondingly lower in magnitude. But the third merger was large in mass again, more comparable to the first than the second. While Fermi has made no announcement, and Integral again reports a non-detection, there are two pieces of evidence that suggest there may have been an electromagnetic counterpart after all. The AGILE satellite from the Italian Space Agency detected a weak, short-lived event that occurred just half a second before the LIGO merger, while X-ray, radio and optical observations combined to identify a strange afterglow less than 24 hours after the merger.”

Whenever there’s a catastrophic, cataclysmic event in space, there’s almost always a tremendous release of energy that accompanies it. A supernova emits light; a neutron star merger emits gamma rays; a quasar emits radio waves; merging black holes emit gravitational waves. But if there’s any sort of matter present outside the event horizons of these black holes, they have the potential to emit electromagnetic radiation, or light signals, too. Our best models and simulations don’t predict much, but sometimes the Universe surprises us! With the third LIGO merger, there were two independent teams that claimed an electromagnetic counterpart within 24 hours of the gravitational wave signal. One was an afterglow in gamma rays and the optical, occurring about 19 hours after-the-fact, while the other was an X-ray burst occurring just half a second before the merger.

Could either of these be connected to these merging black holes? Or are we just grasping at straws here? We need more, better data to know for sure, but here’s what we’ve got so far!

Artists impression of ‘Hot Jupiter’ exoplanets.

Credit: NASA, ESA, D Sing

Stepping on Lava

GIF made by Sixpenceee. Original video via YouTube.

The origin of the universe was not by a singularity, since in a singularity, the laws of nature are not valid or do not exist,

Women scientists made up 25% of the Pluto fly-by New Horizon team. Make sure you share this, because erasing women’s achievements in science and history is a tradition. Happens every day.

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http://pluto.jhuapl.edu/News-Center/News-Article.php?page=20150712

Vera Rubin, the groundbreaking astrophysicist who discovered evidence of dark matter, died Sunday night at the age of 88, the Carnegie Institution confirms.

Rubin did much of her revelatory work at Carnegie. The organization’s president calls her a “national treasure.”

In the 1960s and 1970s, Rubin was working with astronomer Kent Ford, studying the behavior of spiral galaxies, when they discovered something entirely unexpected — the stars at the outside of the galaxy were moving as fast as the ones in the middle, which didn’t fit with Newtonian gravitational theory.

The explanation: Dark matter.

Adam Frank, an astrophysicist who writes for NPR’s 13.7 blog, described dark matter by comparing it to a ghost in a horror movie. You can’t see it, he writes — “but you know it’s with you because it messes with the things you can see.”

Adam continued:

“It was Vera Rubin’s famous work in the 1970s that showed pretty much all spiral galaxies were spinning way too fast to be accounted for by the gravitational pull of the their ‘luminous’ matter (the stuff we see in a telescope). Rubin and others reasoned there had to be a giant sphere of invisible stuff surrounding the stars in these galaxies, tugging on them and speeding up their orbits around the galaxy’s center.”

Vera Rubin, Who Confirmed Existence Of Dark Matter, Dies At 88

A star created 1,800 years ago after the collision of two distant suns is set to appear in the night sky for the first time – as the light from the crash finally reaches the Earth. 

Scientists predict that for six months in 2022, stargazers will be able to witness the birth of the new star, by fixing their telescopes near the Pisces and Cygnus constellations. Dubbed the Boom Star, it has taken nearly two millennia for its light to reach earth — where it will be able to be seen by the naked eye. Astronomers expect the collision to increase the brightness of the pair ten thousand fold, making it one of the brightest stars in the heaven for a time. The explosion, known as a Red Nova, will then dissipate and the star will remain visible in our skies as a single bright, but duller, dot. 

Your not going to want to miss this appear in our sky as it’s a once in a lifetime event!          Source