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chrislintott
@chrislintott
, 3 tweets, 2 min read Read on Twitter
.@astrokiwi starting her @OxfordPhysics seminar with a striking fact: our Galaxy is full of flying rocks. Our Solar System has scattered at least 100,000,000,000,000 of them out into the Milky Way.
Really enjoying the idea that these wanderers might seed planet formation in new systems - solar systems make solar systems. More from @AASNova here: aasnova.org/2019/04/12/a-f…
Ooh, and @LSST will find an Interstellar object like 'Oumuamua every year.
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Adam Bunch
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1. Today is a very big day for black holes. So let’s talk about the first black hole we *ever* found, how it was discovered by a scientist at the University of Toronto, and how it settled Stephen Hawking’s most infamous bet. A thread...
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Konstantin Batygin
@kbatygin
Continuing on, let's check higher masses as well. For a 10 Mearth P9, orbital parameters have to be fine-tuned to even remotely match the data, while a 20 Mearth P9 appears to be fully ruled out by the current dataset.
An example of a pretty good-looking simulation is shown below. Observed dynamically (meta)stable KBOs (large purple, gray dots) indeed look like they've been randomly drawn from the phase-space distribution of simulated observable long-period KBOs (blue points).
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Vijainder K Thakur
@vkthakur
Israel has reportedly offered (developed for?) India the Rocks ASM a deadly precision strike weapon that would allow the IAF to knock down high value over and underground targets with minimum collateral damage even in GPS denied environment.
The stand-off ASM, which would be ideally suited for x-border retaliatory strikes by the IAF would feature blast fragmentation or penetrating warheads. Like the Rafael Popeye ASM reportedly in service with the IAF,
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Kansara
@kansaratva
"The solar system has 9 planets, not 4," shouted the teacher at Ramen after correcting his answer sheet.

"No, Sir," said Ramen confidently. "Only 4."

The teacher raised his eyebrows.

"I have proof," said Ramen. He pulled out a chart of the solar system and held it high. "See?"
The teacher stared at the chart. It showed the solar system, but with the outer planets cut out.

Near Mars Ramen had sketched an arrow with the words "I AM HERE".

"Where are the other planets?" asked the teacher.

"There are none."

The teacher gave one on the left cheek.
"Why have you written 'I AM HERE' on Mars?" shouted the teacher again.

Ramen always loved the Red Planet, and every night, he dreamed of wallowing in the red dust of its sandy terrain.

When Ramen didn't reply, the teacher gave one on the right cheek.

Ramen hated Science.
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Eric Electron
@ericelectron2
#Fact 1 - The Wage Gap is real. People who says it's not haven't read the data.

However, in places like the USA, the wage gap is *not* mostly due to sexism like many #femnist #WomenInScience are claiming it is today. Disparate outcomes doesn't imply disparate treatment.
Women typically choose fields that are lower paying; even in the #STEM fields. To attribute that to sexism only or even mostly is a very dishonest way of deriving an answer for this complex disparity.

Sources:

cew.georgetown.edu/wp-content/upl…

npr.org/sections/money…
When the US Department of Labor Statistics took into consideration personal choices, non-wage benefits, hours worked, experience, education, and other variables that contributes to the wage gap the percentage of earnings decreases to approximately 3%.

shrm.org/hr-today/publi…
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Souvik Mukherjee
@svmke1
1/ Manu (The progenitor of Humankind)
All different races of Mankind are derived from Manu and Shradha. The current Manu is Vaivasvata Manu.
2/ The word Manu literary means man but it is a title given to the progenitor of mankind. According to Hindu Puranas there are many kalpas (One day of Lord Brahma the creator) and each Kalpa has 14 manvantara and each manvatara has one manu. So basically each Kalpa has 14 Manus.
3/ The current manu of the present manvantara is Shraddhadeva or Vaivasvata Manu of this current Kalpa. He is the son of Vivasvat (Probably Surya) and is therefore also known as Manu-vaivasvata.
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