Cosmology and Quantum Mechanics – Telegram
Cosmology and Quantum Mechanics
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How many suns can a planet have?

💥Planets with two suns, such as those in Star Wars, are not uncommon, especially on a cosmic scale. Three suns are much rarer, yet there are cases.

The approximate distance at which stars stop interacting is tens of thousands of astronomical units.

Within these limits, even very distant objects are bound together by invisible forces, which are also constantly distorted by the effects of black holes. Nevertheless, an equilibrium point can theoretically be found.

American researchers give the example of our solar system, in which there are many moons, but the 9 satellites of Jupiter have no effect on the Earth. In the same way, the stars, being in the same system, may not have a destructive effect on their planet.

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Cosmology and Quantum Mechanics
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Sun imaged at night

This picture is extraordinary because it shows the Sun imaged at night in neutrino light. Neutrinos are subatomic particles produced in the Sun's core through nuclear reactions. Although photons from the core take about a hundred thousand years to reach the surface and finally escape at the speed of light, neutrinos take less than 3 seconds to escape the Sun. This is because they do not interact with matter. Hundreds of billions of neutrinos pass through our bodies each second.

Neutrinos are difficult to detect because they only interact through gravity and weak forces. However, in a rare occurrence when a neutrino interacts with an electron in water, it can cause the electron to be accelerated to a speed greater than the speed of light in the water, producing a pulse of light - called Cherenkov light/radiation that specialized instruments can detect.

This type of detection is used in neutrino observatories to study neutrinos and their properties. This image was taken by Super-Kamiokande (also known as Super-K or SK), a neutrino observatory in Japan, using the same principle. The Super K detector is placed 1000 meters below the surface because neutrinos can pass through the Earth unimpeded. The placement also prevents interruptions from cosmic rays and other background sources.

It consists of a large cylindrical tank filled with 50,000 tons of pure water, surrounded by thousands of photomultiplier tubes that detect light produced by neutrinos interacting with the water. The image is obtained through Cherenkov radiation detection in the 50,000 tons of water facility with a 503 days exposure. Brighter colors in the image represent the larger flux of neutrinos.

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The Indian Space Research Organisation (ISRO) on Friday at 2.30pm launched the Chandrayaan-3.
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LVM3M4 Chandrayaan3 Information Brochure.pdf
5.4 MB
LVM3M4 Chandrayaan3 Information Brochure.pdf


In case you want to Check what this mission is about.
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How much energy will approximately be released if all the atoms of 1 kg of deuterium could undergo fusion?
Anonymous Quiz
16%
(a) 2 × 10^7 kWh
32%
(b) 9 × 10^13J
25%
(c) 6 × 10^27 Cal
28%
(d) 8 × 10^23 MeV.
The binding energy per nucleon is almost constant for many nuclei. It shows that nuclear forces are
Anonymous Quiz
39%
(a) Charge independent
30%
(b) short range in nature
17%
(c) saturated in nature
13%
(d) attractive in nature
"You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement."

Marie Salomea Sklodowska Curie was a polish Physicist and chemist known for her research on Radioactivity. She is the first woman to win the Nobel Prize, the first person and only woman to win Two Nobel Prizes and the only person to win the Nobel prize in two different scientific fields.
This marks her genius.
This quote oh her " IN SCIENCE, WE MUST BE INTERESTED IN THINGS, NOT IN PERSONS." is personally my favourite quotes.

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When Oppenheimer met Einstein:

"Einstein, who had witnessed the cataclysmic potential of this energy, was cautiously wary. He cautioned against the unbridled release of such power, fearing its devastating consequences. Oppenheimer, however, saw a glimmer of controlled potential — a path toward unlocking the secrets of the nucleus for the betterment of humanity."


[Image: © Alfred Eisenstaedt/The LIFE Picture]

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Astrophysicist sometimes study about the temperature of stars. Which of these stars would be the hottest?
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33%
White star
8%
Yellow star
21%
Red star
38%
Blue star
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Planets in the habitable zone have just the right___________for life
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6%
Surface
36%
Temperature
54%
Atmospheric composition
5%
Luminosity
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The point where whole weight may be assumed to act is called
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56%
Centre of mass
11%
Centre of weight
4%
Centre of acceleration
29%
Centre of gravity
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The position of a planet when it is nearest to the Sun is called
Anonymous Quiz
22%
Perigee
39%
Perihelion
25%
Aphelion
14%
Apogee
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If the Earth stops rotating, the value of g at the equator
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30%
Increases
26%
Decreases
33%
No effect
11%
First increase and then decrease
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Space between Earth and moon is known as
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18%
Nebula
26%
Fulalunar
40%
Cislunar
16%
B&C
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Is the moon landing fake? 😂😂
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