Hey, Mom! Talking to My Mother #933 - We only see 5% of the universe
Hi Mom,
Here was my talking point for my birthday.
I was trying to find something to share that shows I do more than read about code and grade English homework.
Plus with the discovery of this post on Boing Boing, I added a cool new Twitter person to follow: Katie Mack -- @astrokatie.
She had the added endorsement of being followed by 30 other people I follow.
Anyway, this pie chart blew my mind.
What are these dark forces that make up 95% of the universe?
It's something to contemplate, these "dark unexplained forces" that dominate the universe in those hours when you're waking up in the morning and don't want to yet get out of bed, and you are snuggled with puppies, if puppies you have, or cats, or children, or dragons, or anti-matter immateria, and you are stretching out your mind into the dark, into nothingness, into the beyond, and there is dark matter and dark energy, and we don't know what those things are, but your thoughts go there, into the wrinkled dark.
I especially like this part:
take a look at the Bullet Cluster. It’s the aftermath of a cosmic collision in which clusters of galaxies collided but the bulk of the matter passed right through the collision, in the way only ghostly dark matter could.
There, I have now added value and original material.
Read on, Mom (and others).
original link - https://boingboing.net/2018/01/19/we-only-see-5-of-the-universe.html
We only see 5% of the universe
/ / 6:43 AM FRI JAN 19, 2018
Astrophysicist Katie Mack (astrokatie.com) created this startling pie-chart to illustrate the ratio of observed matter to dark matter and energy, the invisible bulk of the universe.
From her 2014 article, The Dark Matter Poltergeist:
This one seems a fitting post to follow the passing of Ursula K. Le Guin.So what do we know? We know dark matter is real—the evidence is overwhelming. Something must be responsible for the extra gravity messing with the motions of stars and galaxies. If that doesn’t convince you, you can look to gravitational lensing—the bending of light around massive objects. The presence of dark matter accounts for the way the light from distant stars and galaxies is distorted as it travels through the universe, following the gravitationally induced curving of space-time itself. If motion and lensing don’t convince you, look at the evidence that galaxies existed within a billion years of the Big Bang. Without dark matter as a kind of cosmic glue, galaxies would have taken much longer to form, as the gravity of gas and dust and stars had to fight against the pressure of all that matter colliding and heating up. Or just take a look at the Bullet Cluster. It’s the aftermath of a cosmic collision in which clusters of galaxies collided but the bulk of the matter passed right through the collision, in the way only ghostly dark matter could.
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Reflect and connect.
Have someone give you a kiss, and tell you that I love you, Mom.
I miss you so very much, Mom.
Talk to you tomorrow, Mom.
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- Days ago = 935 days ago
- Bloggery committed by chris tower - 1801.24 - 10:10
NEW (written 1708.27) NOTE on time: I am now in the same time zone as Google! So, when I post at 10:10 a.m. PDT to coincide with the time of your death, Mom, I am now actually posting late, so it's really 1:10 p.m. EDT. But I will continue to use the time stamp of 10:10 a.m. to remember the time of your death, Mom. I know this only matters to me, and to you, Mom.
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