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NASA Astronomy Picture of the Day:

What has this supernova left behind? As little as 2,000 years ago, light from a massive stellar explosion in the Large Magellanic Cloud (LMC) first reached planet Earth. The LMC is a close galactic neighbor of our Milky Way Galaxy and the rampaging explosion front is now seen moving out - destroying or displacing ambient gas clouds while leaving behind relatively dense knots of gas and dust. What remains is one of the largest supernova remnants in the LMC: N63A. Many of the surviving dense knots have been themselves compressed and may further contract to form new stars. Some of the resulting stars may then explode in a supernova, continuing the cycle. Featured here is a combined image of N63A in the X-ray from the Chandra Space Telescope and in visible light by Hubble. The prominent knot of gas and dust on the upper right -- informally dubbed the Firefox -- is very bright in visible light, while the larger supernova remnant shines most brightly in X-rays. N63A spans over 25 light years and lies about 150,000 light years away toward the southern constellation of Dorado.

NASA Astronomy Picture of the Day:

What are those streaks over the horizon? New Starlink satellites reflecting sunlight. SpaceX launched 60 Starlink communication satellites in May and 60 more in November. These satellites and thousands more are planned by communications companies in the next few years that may make streaks like these relatively common. Concern has been voiced by many in the astronomical community about how reflections from these satellites may affect future observations into space. In the pictured composite of 33 exposures, parallel streaks from Starlink satellites are visible over southern Brazil. Sunflowers dot the foreground, while a bright meteor was caught by chance on the upper right. Satellite reflections are not new -- the constellation of 66 first-generation Iridium satellites launched starting 20 years ago produced some flares so bright that they could be seen during the day. Most of these old Iridium satellites, however, have been de-orbited over the past few years. Infinite Loop: Create an APOD Station in your classroom or Science Center.

Photo by Egon Filter

No More

Posted by MFish • Profile • 12/09/19 at 10:43PM • Poetry • See more by MFish

No more cries, ere the
morning light.
No more whys of this
present plight.
No more random talks
without a notion.
No more discussion
with no emotions.
No more ringing
of the bell.
No more consideration,
gone to hell.
No more talks,
about anything.
No more happiness,
will it bring.
No more of life,
we know today.
No more my wife,
who will go away.

Long Ago

Posted by MFish • Profile • 12/09/19 at 09:51PM • Other • See more by MFish

When I wrote verse, many years ago,
our young Son's would tease me so.
It influenced the shyness in me,
as I quit writing incessantly.
The writing I did, some forty years
long past, were put away.
Then a good friend told me about
Kudos365.com. and I began to
write again, for you all to see.
I had many folders, that had been
stored, but the pencil I used
then, had started fading away.
Now, here I sit, with pen in hand,
trying to write about the past
so you would now understand.
Perhaps I need to write more
with out any kind of a whine
and do it after a glass of wine.

A Comment by Loy

Your avatar
Loy • 12/09/2019 at 09:36PM • Like 1 • Profile

And I’m happy you did!

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