The question of what the Earth would look like from space has always been a topic of discussion among people. The blue planet, shining in the lap of black space, holds within itself countless colors and mysteries. When an astronaut takes a picture of the Earth from above, it is not just a photo, but becomes a wonderful combination of science, nature and human civilization.

Recently, NASA astronaut Don Petit has shared such a rare and mind-blowing picture from space, which has caught the attention of the whole world. In this single picture, Earth’s shimmering aurora, the lights of glowing cities in winter and the Andromeda galaxy present in distant space are seen together. This is the reason why this picture has become a topic of discussion on social media and among science lovers.

Earth’s celebration seen from space

In this picture shared by Don Petit, the Earth’s horizon looks colorful like a festival. Bathed in waves of green, purple and pink colors, Aurora is seen dancing in the sky. This view seems as if nature itself has spread colors in the sky.

Aurora is actually formed when charged particles coming from the Sun collide with the Earth’s atmosphere. Due to this collision, atmospheric gases sparkle and waves of light are formed in the sky. Usually this sight is seen in the polar regions of the Earth, but seeing it from space is an even different experience.

Shining cities below, dancing lights above

Not only the natural beauty but also the man-made world is clearly visible in the picture. The lights of cities spread over the earth’s surface appear as small glowing clusters. Due to the long winter nights and clear weather, these cities appear even more shining. These artificial lights below and the natural aurora above, together create a unique scene. This shows that both humans and nature illuminate the earth in their own ways.

Glimpse of the Andromeda Galaxy

The most special thing about this picture is that Andromeda Galaxy is also visible in it. Andromeda is the nearest spiral galaxy to our Milky Way Galaxy and is located about 2.5 million light years from Earth. Despite this great distance, Andromeda appears as a faint glow in this picture. It shows how vast the universe is and how small a part we are in it.

Such scenes have been shown before also

Don Pettit humorously called this picture the best holiday lights. This statement makes the time and atmosphere of this picture more special. On one hand, scientific discovery and observation and on the other hand, a festive atmosphere. This picture combines both together. It is very rare that Earth, human civilization and a distant galaxy are seen together in the same picture. This is the reason why this picture is not only beautiful but also scientifically very special. This is not the first time that Don Petit has shared spectacular photos or videos related to Aurora. Even before this, he has posted pictures of sunrise with Aurora and a video of Aurora Australis between Australia and Antarctica. His photographs and videos give people a glimpse of space and increase interest in science.

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A question often comes in the minds of youth who dream of making a career in space science. How much salary does a research scientist working in NASA get and is it more than ISRO? India’s ISRO and America’s NASA, both are well-known space agencies in the world. Let us know some special things related to these…

NASA i.e. National Aeronautics and Space Administration is America’s government space agency. Research scientists, engineers, astronauts and technical experts work here. The job of a research scientist in NASA is to plan new missions, conduct space-related experiments and develop new technology.

Salary of research scientist in NASA

The salary of a research scientist in NASA is decided on the government salary structure of America. There salary is given in dollars. Generally, a research scientist can get an annual salary of around $70,000 to $1,50,000.

If we convert it into Indian Rupees, then this amount comes to around Rs 58 lakh to Rs 1.25 crore annually. With increasing experience and reaching a senior position, the salary can become even higher. Apart from this, many facilities are also available in NASA, like health insurance, research fund, paid leave and retirement benefits.

How much salary do you get in ISRO?

Now let’s talk about India’s ISRO. Recruitment of new scientists in ISRO is usually done on the post of Scientist/Engineer ‘SC’. The basic salary of this post is around Rs 56,100 per month. When dearness allowance, house allowance and other government allowances are added to it, the total salary reaches approximately Rs 80,000 to Rs 1 lakh per month. That means the annual earning is around Rs 9 to 12 lakh. With increasing experience, one gets promotion in ISRO and salary also increases.

Why is there so much difference between the salaries of NASA and ISRO?

The biggest reason is the difference in economic condition and currency of the countries. America’s economy is much bigger than India and the salary level there is also higher. Since the value of the dollar is much higher than the Indian rupee, NASA’s salary sounds huge.

The second reason is cost of living. In America, the cost of housing, food, health and education is very high. Whereas in India the salary of ISRO may be less, but the cost of living here is also less.

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There is a lot of discussion these days about a mysterious comet named 3I/ATLAS on social media. This newly discovered thing is trending on many platforms. People are even posting alien memes. It was first discovered by NASA’s Atlas Telescope in Chile on July 1, 2025. Its orbit is hyperbolic, which means it will pass by and never return.

This comet was closest to the Sun on Thursday (30 October). During this time its icy surface melted due to the heat of the sun. This resulted in a shiny fuzzy coat and a long tail. 3I/ATLAS stood out from the thousands of comets observed each year. Since it is not bound by the Sun’s gravity, it is a comet from another constellation.

3I/ATLAS Third comet to pass through our solar system
Traveling at speeds of more than 60 km per second, 3I/ATLAS is the third interstellar object ever to pass through our solar system. Earlier, Oumuamua was seen in 2017 and 2I/Borisov in 2019. Scientists all over the world have their eyes on this comet. Scientists are constantly monitoring this to improve space security. After passing close to the Sun, it will now come closest to the Earth on 19 December 2025.

Many unsolved mysteries of the universe may be revealed
According to NASA, the behavior of this comet can reveal many unsolved mysteries of the universe. This comet was discovered by the Atlas Telescope of the American space agency NASA. It has become a mystery to scientists due to its rare properties, such as ant tail and abundance of carbon dioxide.

there is no danger of it colliding
According to NASA, even after passing close to the Sun and the Earth, there is no danger of it colliding. Earlier, there were comets Oumuamua and 2I/Borisov coming from outside the solar system. However, comet 3I/ATLAS quickly came into the hands of scientists.
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World’s First Iron Cased Rocket: Long before modern warfare turned to missiles and rockets, an Indian ruler revolutionized the battlefield with technology far ahead of his time. The 18th century Mysore ruler Tipu Sultan and his father Hyder Ali built the world’s first iron-cased rocket. This was an invention that surprised the British. These rockets were recognized as Mysore rockets.

Birth of Mysore Rocket

Mysore was at the forefront of technological innovation under the leadership of Tipu Sultan in the late 18th century. His rocket used an iron casing instead of the traditional cardboard used in Europe. With the help of this iron cover, he could withstand high pressure and travel up to 2 kilometers. These rockets were attached to long bamboo poles, due to which their flight remained stable.

Used in Anglo-Mysore War

Tipu Sultan and Hyder Ali used these rockets against the British army in the Anglo-Mysore War. These rockets were also used extensively in the battle of Polilur in 1780. These rockets caused huge damage to the British Army, due to which the army had to face chaos. The British had never encountered such a weapon before, so to them it was just like iron falling from the sky.

technology behind rockets

The strength of the iron casing was very important for the power of the rocket. With this, more gunpowder could be filled inside the rocket so that proper thrust and more distance could be achieved. The bamboo rods attached to it worked like a rudder, due to which the rocket remained stable in the air.

Who were they used against?

These rockets were mostly used against the British East India Company. Along with this, Tipu Sultan also used them against regional rivals like Marathas and Nizam of Hyderabad. These people used to make alliance with the British. Tipu Sultan used these rockets to defend his capital Srirangapatna during the Fourth Anglo-Mysore War.

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Everyone knows that fire is also an element among the five elements. You must also know that a lot of oxygen is required for fire to burn. Burning of fire is not possible without air/oxygen. Fire is one of the greatest discoveries of human civilization. If fire had not been discovered today then it is not known how far human civilization would have reached. Now think, what will happen if this fire starts not on earth but in space? It sounds like a science fiction film, but in reality scientists have done in-depth research on this mystery. Let us know.

Can fire occur in space?

For fire to burn on Earth, three things are necessary – oxygen, fuel and heat. Together these three complete the process of combustion. But the environment of space is completely different, because there is no oxygen there. That means, under normal circumstances, fire cannot occur there. Nevertheless, when humans work in a closed system like a space station, air i.e. oxygen is present there and this is where the risk of fire begins.

What is a space fire like?

NASA and other space agencies have conducted experiments with fire in space many times. During a mission, in the Flame Extinguishment Experiment (FLEX), scientists found that the fire burning in space is round in shape, whereas on Earth it rises up in the form of flames. The reason is that there is no gravity in space, so the hot air does not go up and instead of spreading, the flames remain limited to one place.

Extinguishing fire in space is a big challenge

For this reason, it is very difficult to extinguish a fire in space. The gases present in fire extinguishers are specially designed so that they can work even without air. Scientists say that the biggest challenge of fire in space is its slow burning. Because without air, fire does not spread, but it also does not get extinguished, it keeps burning for a long time.

Accidents happened twice in ISS

There were two such accidents in the International Space Station (ISS) in 1997 and 2011 when sparks of fire arose in small equipment. However, due to prompt control system and monitoring, there was no major loss. That is why astronauts are given special training in fire safety and every station has an airlock system, so that if needed, the affected area can be sealed immediately.

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The precious metals (gold, silver, diamond, platinum) and gems on the Earth are considered quite prestigious due to their excessive price. Even though these are rare on our planet, there are many places in the universe, where these gems are found in more quantity than the earth.

From the rare elements present on the moon to the exploitation of asteroids and comets located near the Earth, many people have speculated that man can eventually exploit these resources of space. This can also reduce the cost and time of future space operations. Currently they have been seen only through space telescopes and spectroscopy techniques.

This week will pass through the Earth and Moon asteroid
This week, asteroid 2005 yu55 will pass between the Earth and the Moon. Experts say that this asteroid is unlikely to hit our planet, yet it is being seen as an unlikely source for mining resources. According to NASA’s Jet Propulsion Laboratory, 2005 YU55 is classified as C-type asteroids, usually made of substances such as hydrogen and helium.

Diamond planet discovery
Earlier this year, the discovery of a planet was announced, which is mainly made of carbon and so dense that a large part of it may be made of diamonds. The international team of astronomers who carried out this discovery told Science magazine that they believe that this planet is slightly heavier than Jupiter, but is 20 times more dense.

Diamond is a slightly closer Titan than the planet, which is the largest moon in Saturn and is 1.2 billion to 1.7 billion miles from the Earth. Titan is unique in the solar system for two reasons. It is the only moon that is dense and has stable fluids on its surface and hundreds of lakes have been found on the surface by the Cassini spacecraft.

Where is 20 trillion dollar gold present
Writer John S., in his book Mining the Sky: Untold Riches of the Estteroids, Comities and Planets. Lewis consider deeply on the possibilities of reaching these resources in space. He has highlighted 3554 asteroids called Amun. Under its lower surface, there is a probably 20 trillion dollar gold, $ 8 trillion iron and 6 trillion $ cobalt and 6 trillion dollars platinum.

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