By Science Fiction Author,
I received a news tip this morning on alien signals from GB—he has ties to NASA, just saying. So when GB sends me a news tip, I investigate.
Received another news tip from CC on NASA’s release of The Big Picture. She is in the know.
This is for GB, CC, and my readers and cousins in Australia.
Far-Away Galaxies Send Alien Signals
THE SHORT OF IT
THE LONG OF IT
But, we alien hunters are told not to get our hopes up.
Petroff tells us, “We’re confident that they’re coming from natural sources, that is to say it’s probably not aliens, but we haven’t solved the case completely. The two most promising theories at the moment are that these bursts could be produced either by a star producing a highly energetic flare, or from a neutron star collapsing to make a black hole. Both of these things would be from sources in far-away galaxies just reaching us from billions of light years away.”
Probe-filing of FRSs
So what could be the source of FRBs? Many different theories exist as to what causes FRB pulses but none has yet been confirmed. Some believe they are explosions in distant galaxies, or flares caused by distant magnetars, highly magnetic pulsars that emit bursts of powerful radiation. Others believe they originate in our own Galaxy, but from bursty flare stars. I work on several observing campaigns currently trying to answer these questions!
Based on the number of FRBs that have been found in radio surveys so far, we believe that up to 10,000 FRB bursts happen every day! Meaning that if our eyes could see at radio wavelengths, we could look up into the sky and see an FRB twinkle every 10 seconds!
FRBs are a new and exciting mystery object that I work to understand. Collecting data and testing theories is the best way to understand their origins and some of my most recent work focuses on these incredible new sources.
The Big Fracking Picture
THE SHORT OF IT
NASA just released the ultimate NASA Hubble Space Telescope image ever!
THE LONG OF IT
This sweeping bird’s-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor. Though the galaxy is over 2 million light-years away, The Hubble Space Telescope is powerful enough to resolve individual stars in a 61,000-light-year-long stretch of the galaxy’s pancake-shaped disk. It’s like photographing a beach and resolving individual grains of sand. And there are lots of stars in this sweeping view—over 100 million, with some of them in thousands of star clusters seen embedded in the disk.
This ambitious photographic cartography of the Andromeda galaxy represents a new benchmark for precision studies of large spiral galaxies that dominate the universe’s population of over 100 billion galaxies. Never before have astronomers been able to see individual stars inside an external spiral galaxy over such a large contiguous area. Most of the stars in the universe live inside such majestic star cities, and this is the first data that reveal populations of stars in context to their home galaxy.
—Ray Villard Space Telescope Science Institute, Baltimore, Md.
Below is a video by daveachuk, set to music, of this bird’s-eye view of the Andromeda Galaxy. Be sure to watch until the end. You won’t be sorry. You will probably go: Oh, Wow! Like I did.
Probe-filing of NASA’s Big Image
Mighty Big Picture for us Earthlings to assume all that vast unknown is just for us. A little self-centered don’t you think?