Thursday, September 12, 2019

Sept 12 - Balloon-like Structure Near Milky Way's Center

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The complex radio emission from the galactic center, as imaged by the South African MeerKAT telescope. The newly-discovered giant radio bubbles are the structures running top to bottom in this image. Image via SARAO/Oxford. Read more.

Scientists detect towering balloon-like structure near Milky Way's center

Our Milky Way is considered to be a relatively quiescent galaxy, and yet - at its heart - it's known to have a 4-million-solar-mass black hole: the source of many fascinating and dynamic processes. Yesterday, astronomers announced the discovery in that region of what they're calling one of the largest features ever observed in the center of the Milky Way. This feature is a pair of enormous radio-emitting bubbles, towering above and below the central region of our galaxy. Scientists described it as hourglass-shaped. The entire structure stretches some 1,400 light-years. Astronomers found it with the new, supersensitive MeerKAT telescope in South Africa. Read more.

Plastic pollution has entered fossil record, say researchers
A new study has found that plastic pollution is being deposited into the fossil record, with deposits increasing exponentially since 1945. Read more.
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Harvest Moon ahead
These next several nights, look for a full-looking moon to light up the nighttime sky from dusk until dawn. Read more.
Emerald Lake
View at EarthSky Community Photos. | Kristopher Schoenleber captured this image of Emerald Lake in Yoho National Park, British Columbia, Canada on September 1. He said, “It was a sunny and calm day for the most part … but once sunset began a hail storm broke out, fog and clouds rolled in, thunder erupted, and the lightning flashed up in the mountains ... I didn't stay out there too much longer after this since the storm really cranked things up.” 
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