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When do the planets in our solar system all line up?
The planets in our solar system never line up in one perfectly straight line like they show in the movies.
If you look at a two-dimensional plot of the planets and their orbits on a piece of paper you may be lead to believe that all the planets will circle around to the same line eventually. In reality, the planets do not all orbit perfectly in the same plane. Instead, they swing about on different orbits in three dimensional space. For this reason, they will never be perfectly aligned. It's like waiting for a swarm of flies circling your head to all line up. It is not going to happen.
When astronomers use words like "planetary alignment", they don't mean a literal lining up. They just mean that some of the planets are in the same general region of the sky.
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When do the planets in our solar system all line up?
The planets in our solar system never line up in one perfectly straight line like they show in the movies.
If you look at a two-dimensional plot of the planets and their orbits on a piece of paper you may be lead to believe that all the planets will circle around to the same line eventually. In reality, the planets do not all orbit perfectly in the same plane. Instead, they swing about on different orbits in three dimensional space. For this reason, they will never be perfectly aligned. It's like waiting for a swarm of flies circling your head to all line up. It is not going to happen.
When astronomers use words like "planetary alignment", they don't mean a literal lining up. They just mean that some of the planets are in the same general region of the sky.
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What is the universe made of?
Astronomers face an embarrassing conundrum: they don’t know what 95% of the universe is made of. Atoms, which form everything we see around us, only account for a measly 5%.
Over the past 80 years it has become clear that the substantial remainder is comprised of two shadowy entities – dark matter and dark energy. The former, first discovered in 1933, acts as an invisible glue, binding galaxies and galaxy clusters together. Unveiled in 1998, the latter is pushing the universe’s expansion to ever greater speeds.
Astronomers are closing in on the true identities of these unseen interlopers.
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What is the universe made of?
Astronomers face an embarrassing conundrum: they don’t know what 95% of the universe is made of. Atoms, which form everything we see around us, only account for a measly 5%.
Over the past 80 years it has become clear that the substantial remainder is comprised of two shadowy entities – dark matter and dark energy. The former, first discovered in 1933, acts as an invisible glue, binding galaxies and galaxy clusters together. Unveiled in 1998, the latter is pushing the universe’s expansion to ever greater speeds.
Astronomers are closing in on the true identities of these unseen interlopers.
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Polar bears are nearly undetectable by infrared cameras
Thermal cameras detect the heat lost by a subject as infrared, but polar bears are experts at conserving heat. The bears keep warm due to a thick layer of blubber under the skin. Add to this a dense fur coat and they can endure the chilliest Arctic day.
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Polar bears are nearly undetectable by infrared cameras
Thermal cameras detect the heat lost by a subject as infrared, but polar bears are experts at conserving heat. The bears keep warm due to a thick layer of blubber under the skin. Add to this a dense fur coat and they can endure the chilliest Arctic day.
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How do projectors project the color black?
Projectors do not project the color black. This makes sense since black is really the absence of light, and you can't project something that does not exist.
When a projector sends a beam of light on to a wall or a projector screen so that an image is formed on the wall or screen, the parts of the image that look black are really a very dim white color (which we sometimes call gray).
The projector sends some light to all parts of the image, including the parts that we perceive as black. Some white light is indeed beamed to the parts of the image that are supposed to be black, but the light is typically dim enough in these regions that they look black to our eyes when surrounded by areas of the image that are receiving much more light and therefore are much brighter.
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How do projectors project the color black?
Projectors do not project the color black. This makes sense since black is really the absence of light, and you can't project something that does not exist.
When a projector sends a beam of light on to a wall or a projector screen so that an image is formed on the wall or screen, the parts of the image that look black are really a very dim white color (which we sometimes call gray).
The projector sends some light to all parts of the image, including the parts that we perceive as black. Some white light is indeed beamed to the parts of the image that are supposed to be black, but the light is typically dim enough in these regions that they look black to our eyes when surrounded by areas of the image that are receiving much more light and therefore are much brighter.
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How did the Madagascar hissing cockroach got its name?
Well, it hisses, of course. But how it hisses is a little weird. The giant insect forces gas through tiny breathing pores called spiracles on its thorax and abdomen. The cockroaches hiss when surprised, when challenging other cockroaches to a fight and when trying to attract mates.
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How did the Madagascar hissing cockroach got its name?
Well, it hisses, of course. But how it hisses is a little weird. The giant insect forces gas through tiny breathing pores called spiracles on its thorax and abdomen. The cockroaches hiss when surprised, when challenging other cockroaches to a fight and when trying to attract mates.
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What are the environmental concerns that arises when we talk about space tourism?
Space tourism is a new term for us. But the race has already been started. Recently commercial space tourism race was started by Virgin Group founder Sir Richard Branson and Ex-CEO of Amazon, Jeff Bezos.
Basically their demonstration was to offer the people to reach outer space, feel zero gravity and take a glimpse of Earth from space.
But you might have known a rocket emits 100 times more carbon dioxide for a passenger than a flight. So, if this space tourism race started then imagine the amount of green house gas this industry will emit!
( Read Full Article) Continue reading ➡
You can give your opinion regarding this issue, below in comment section.
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What are the environmental concerns that arises when we talk about space tourism?
Space tourism is a new term for us. But the race has already been started. Recently commercial space tourism race was started by Virgin Group founder Sir Richard Branson and Ex-CEO of Amazon, Jeff Bezos.
Basically their demonstration was to offer the people to reach outer space, feel zero gravity and take a glimpse of Earth from space.
But you might have known a rocket emits 100 times more carbon dioxide for a passenger than a flight. So, if this space tourism race started then imagine the amount of green house gas this industry will emit!
( Read Full Article) Continue reading ➡
You can give your opinion regarding this issue, below in comment section.
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What causes your heart to beat?
The electrical system of your heart is the power source that makes this possible. The impulse starts in a small bundle of specialized cells located in the right atrium, called the SA node. The electrical activity spreads through the walls of the atria and causes them to contract. This forces blood into the ventricles.
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What causes your heart to beat?
The electrical system of your heart is the power source that makes this possible. The impulse starts in a small bundle of specialized cells located in the right atrium, called the SA node. The electrical activity spreads through the walls of the atria and causes them to contract. This forces blood into the ventricles.
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Does technological progress make people feel happier?
If in the process of technological and technical progress new kinds of products and services are created that improve the lives of people, it can be assumed that at certain times people may seem to be happier, then people can feel happier.
But after some time, people get used to a certain level of life and look for further stimuli from the world of science, technology, technology, production of goods, provision of new services that will meet the growing human needs.
However, it seems to me that in such a situation one should consider and verify the essence of the concept of happiness.
(share your views, comment below)
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Does technological progress make people feel happier?
If in the process of technological and technical progress new kinds of products and services are created that improve the lives of people, it can be assumed that at certain times people may seem to be happier, then people can feel happier.
But after some time, people get used to a certain level of life and look for further stimuli from the world of science, technology, technology, production of goods, provision of new services that will meet the growing human needs.
However, it seems to me that in such a situation one should consider and verify the essence of the concept of happiness.
(share your views, comment below)
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Acceleration of Science, Technology & Information Vs. Climate Change/Impacts
We, scientific community had began simulation and models of human or we induced climate change (CC) & its impacts from late 1970's & later. There are big shots (IPCC, UNFCC, GAR, etc..) who narrated the scientific stories in scientific manner on global warming (GW), ozone depletion and hastens on climate to change and 'bio D` loses'.
The report and studies of them has accelerated to new invoke and evoked human communities from different clans of nations. They said the reason for CC was the elite nations who contributed to such cause as much.
The elite group of nations has enlightened the now progressing nations as its the duty and responsibility of the second and third nation groups to rebuild mother earth as of as it was.
Any interventions by we ourselves to nature is and will be again CC. Then how can we build back better?
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Acceleration of Science, Technology & Information Vs. Climate Change/Impacts
We, scientific community had began simulation and models of human or we induced climate change (CC) & its impacts from late 1970's & later. There are big shots (IPCC, UNFCC, GAR, etc..) who narrated the scientific stories in scientific manner on global warming (GW), ozone depletion and hastens on climate to change and 'bio D` loses'.
The report and studies of them has accelerated to new invoke and evoked human communities from different clans of nations. They said the reason for CC was the elite nations who contributed to such cause as much.
The elite group of nations has enlightened the now progressing nations as its the duty and responsibility of the second and third nation groups to rebuild mother earth as of as it was.
Any interventions by we ourselves to nature is and will be again CC. Then how can we build back better?
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Does the development of Big Data technology and other technologies Industry 4.0 generate new business management concepts?
At present, in the age of the technological revolution known as the 4.0 industry, new technology management or Internet-based companies are emerging.
Industry 4.0, is motivated by the development of the following factors: Cloud computing, Machine learning, Internet of Things, artificial intelligence, life science technologies, biotechnology, eco-innovation, energy, medical intelligence, etc.
In the context of this, a question that arise:
What other technological improvements, innovative organizational, technical and IT solutions will be developed in the future based on the development of the above-mentioned factors?
(Share your views)
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Does the development of Big Data technology and other technologies Industry 4.0 generate new business management concepts?
At present, in the age of the technological revolution known as the 4.0 industry, new technology management or Internet-based companies are emerging.
Industry 4.0, is motivated by the development of the following factors: Cloud computing, Machine learning, Internet of Things, artificial intelligence, life science technologies, biotechnology, eco-innovation, energy, medical intelligence, etc.
In the context of this, a question that arise:
What other technological improvements, innovative organizational, technical and IT solutions will be developed in the future based on the development of the above-mentioned factors?
(Share your views)
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What is the genesis of human creativity?
New ideas, new concepts in science and art arise as a result of human creativity, innovation, emotional intelligence, the need for self-realization, the need to be appreciated by other people. These are the values at the very top of Maslow's pyramid.
Human higher needs arose through the evolution of human consciousness and intelligence under conditions of multi-generational development of sociobiological and psychosocial determinants.
Please comment.
(I invite you to the discussion)
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What is the genesis of human creativity?
New ideas, new concepts in science and art arise as a result of human creativity, innovation, emotional intelligence, the need for self-realization, the need to be appreciated by other people. These are the values at the very top of Maslow's pyramid.
Human higher needs arose through the evolution of human consciousness and intelligence under conditions of multi-generational development of sociobiological and psychosocial determinants.
Please comment.
(I invite you to the discussion)
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Should the scope of environmental education in schools be increased?
In my opinion, the issue of ecology should be added or extended to educational programs, including issues related to greenhouse gas emissions, faster global warming process, indispensability of implementation and development of ecological energy innovations based on renewable energy sources, improvement of degraded reclamation techniques civilization of the natural environment, sorting garbage, recycling, the need to reduce the use of plastic in product packaging, etc.
Do you agree with me on the above matter?
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Should the scope of environmental education in schools be increased?
In my opinion, the issue of ecology should be added or extended to educational programs, including issues related to greenhouse gas emissions, faster global warming process, indispensability of implementation and development of ecological energy innovations based on renewable energy sources, improvement of degraded reclamation techniques civilization of the natural environment, sorting garbage, recycling, the need to reduce the use of plastic in product packaging, etc.
Do you agree with me on the above matter?
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How much time it takes for a photon to get from the core to the surface of the Sun?
It takes a photon up to 40,000 years to travel from the core of the sun to its surface, but only 8 minutes to travel the rest of the way to Earth.
A photon travels, on average, a particular distance before being briefly absorbed and released by an atom, which scatters it in a new random direction. To travel from the sun’s core to the sun’s surface (696,000 kilometers) so it can escape into space, a photon needs to make a huge number of drunken jumps.
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How much time it takes for a photon to get from the core to the surface of the Sun?
It takes a photon up to 40,000 years to travel from the core of the sun to its surface, but only 8 minutes to travel the rest of the way to Earth.
A photon travels, on average, a particular distance before being briefly absorbed and released by an atom, which scatters it in a new random direction. To travel from the sun’s core to the sun’s surface (696,000 kilometers) so it can escape into space, a photon needs to make a huge number of drunken jumps.
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Plants can detect insect attacks by 'sniffing' each other's aromas
Fragrant aromas from plants can actually be a response to attacks by insects, and can alert neighbours to an attack or summon the insects’ predators. Now, scientists are deciphering these secret codes to develop better, greener chemicals to defend crops against herbivorous insects.
Plants have nowhere to run from their enemies - flying, crawling and jumping insects want to eat them alive. But plants are not defenceless. They deploy chemical toxins to deter insects. These can make the plant taste bitter, inhibit the herbivore’s digestive enzymes, disrupt their metabolism or poison them.
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Plants can detect insect attacks by 'sniffing' each other's aromas
Fragrant aromas from plants can actually be a response to attacks by insects, and can alert neighbours to an attack or summon the insects’ predators. Now, scientists are deciphering these secret codes to develop better, greener chemicals to defend crops against herbivorous insects.
Plants have nowhere to run from their enemies - flying, crawling and jumping insects want to eat them alive. But plants are not defenceless. They deploy chemical toxins to deter insects. These can make the plant taste bitter, inhibit the herbivore’s digestive enzymes, disrupt their metabolism or poison them.
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Why does the sun lighten our hair and darken our skin?
Melanin is a pigment found in your skin and hair cells that gives each its color. It does seem weird that the sun bleaches our hair and darkens our skin. This mostly has to do with hair being dead and skin being alive. The sun bleaches and destroys the melanin in your hair giving you lighter hair.
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Why does the sun lighten our hair and darken our skin?
Melanin is a pigment found in your skin and hair cells that gives each its color. It does seem weird that the sun bleaches our hair and darkens our skin. This mostly has to do with hair being dead and skin being alive. The sun bleaches and destroys the melanin in your hair giving you lighter hair.
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How long does it take to recover from giving blood?
Your body will replace the blood volume (plasma) within 48 hours. It will take four to eight weeks for your body to completely replace the red blood cells you donated. The average adult has eight to 12 pints of blood. You will not notice any physical changes related to the pint you donated.
News: Zydus Cadila’s Needle-free Covid Vaccine
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How long does it take to recover from giving blood?
Your body will replace the blood volume (plasma) within 48 hours. It will take four to eight weeks for your body to completely replace the red blood cells you donated. The average adult has eight to 12 pints of blood. You will not notice any physical changes related to the pint you donated.
News: Zydus Cadila’s Needle-free Covid Vaccine
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Which planet has the longest day?
Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days.
Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.
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Which planet has the longest day?
Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days.
Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.
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What kind of tree does paper come from?
Wood pulp comes from softwood trees such as spruce, pine, fir, larch and hemlock, and hardwoods such as eucalyptus, aspen and birch.
A pulp mill is a manufacturing facility that converts wood chips or other plant fibre source into a thick fibre board which can be shipped to a paper mill for further processing.
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What kind of tree does paper come from?
Wood pulp comes from softwood trees such as spruce, pine, fir, larch and hemlock, and hardwoods such as eucalyptus, aspen and birch.
A pulp mill is a manufacturing facility that converts wood chips or other plant fibre source into a thick fibre board which can be shipped to a paper mill for further processing.
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What was the original name of Africa?
Alkebulan is the oldest and the only word of indigenous origin. It was used by the Moors, Nubians, Numidians, Khart-Haddans (Carthagenians), and Ethiopians.
Africa, the current misnomer adopted by almost everyone today , was given to this continent by the ancient Greeks and Romans. "
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What was the original name of Africa?
Alkebulan is the oldest and the only word of indigenous origin. It was used by the Moors, Nubians, Numidians, Khart-Haddans (Carthagenians), and Ethiopians.
Africa, the current misnomer adopted by almost everyone today , was given to this continent by the ancient Greeks and Romans. "
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If Third World War happens, what will be the possible reason behind it?
Natural resources?...Political reasons?...Economy?...Terrorism?...?
Natural resources?...Political reasons?...Economy?...Terrorism?...?
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