Why "X" in yellow color ? 1. It means the last vehicle board  Why, because if  the train met with any accident or coaches are separated then it is easily identified by just observing the last compartment of Train. 2. It works as an alert system If the train passes without the "X" letter painted with yellow color and there is no change or separation of compartments during its journey then the train authority takes appropriate action on it  3. Only present on the last compartment of every train This yellow sign of train only present on the last coach of ..read more

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Environment pollution before covid-19 Today I'd like to talk about something that you must've been witnessing around you during this lockdown How the sky has turned blue, the air has become cleaner, when you look up at the night sky, you can actually see the stars. The air has become so clear that the Himalayan peaks are visible from Jalandhar in Punjab, situated 140 km away. The residents of Jalandhar say that "for the first time in 20-30 years, the air has become so clean, that they are able to see the Himalayan peaks from Jalandhar" Also, read | "Coronavirus Pandemic" When Wil ..read more

World Oceans Day 2020 The COVID-19 pandemic may be a sharp reminder of how we are all intimately connected to every other and to nature, as we work to finish the pandemic and build back better. Also, read |  "Coronavirus Pandemic" When Will The Outbreak End ?? We have a once during a generation opportunity and responsibility to correct our relationship with the wildlife including the world's seas and oceans.  We rely on the oceans for food, lively hoods, transport, and trade, and as the lungs of our planet and its largest carbon sink, the oceans play a vital role ..read more

World Environment Day 2020 The whole world is fighting the COVID-19 pandemic. Our daily lives have come to a standstill, as we all have to remain at home, humans fear going outside, thinking they may contract the virus. World Environment Day 2020 However, there are positives to this. The environment has changed drastically, which is extremely beneficial. The air has become cleaner due to reduction in pollution, there is a reduction in waste, the oceans have become cleaner, compared to its earlier filthy state, animals have come out of hiding due to reduced human activity, dolphi ..read more

Career In Astronomy You have a fascination with space and astronomy and you believe you'd like to be an astronomer. This might seem like a basic question, but it is a good place to begin. Simply because you have got an interest in astronomy does not necessarily mean that becoming a pro astronomer is right for you. An astronomer is a researcher who spends a lot of time observing and analyzing several other objects in addition to the behavior of planets, stars, and galaxies. To become an astronomer, a person must make a doctorate and have a depth understanding of computer science, mathematics ..read more

 Here are some incredible astronomical space facts for you  Blackhole There are tens of thousands of black holes at the center of our home Milky Way galaxy hundreds of them are paired with a star and nearly 10,000 are isolated one's black holes are impossible to spot because light can't escape from them, astronomers can only track them down with album x-rays or by estimating their gravitational pull. It rains molten glass on some planets  Some planets have moons with their own rings  Some planets have active volcanoes ..read more

The Life And Death of Stars  let's kill some stars we've learned about what happened for the first billion years or so in the history of the universe, which leaves us with lots of stars and galaxies and we are now equipped with the terminology needed to describe and categorize these stars. But we still haven't talked about all the other elements on the periodic table. White Dwarfs, Supernovae, Neutron Stars, and Black Holes We've only mentioned hydrogen and helium so far. So where did the rest come from? And what about all the planets and moons how did those get h ..read more

Elon Musk confirmed the baby's name  X Æ A-12. Elon Musk On Monday, the CEO of Space X  announced the birth of their son by twitter "Mom & baby all good." X Æ A-12 Musk — Elon Musk (@elonmusk) May 5, 2020  What does the name mean? Musk, known to joke on Twitter, when he announced the name, so many people questioned whether he was being serious. However, the girlfriend of Elon, singer Grimes (Canadian), real name Claire Boucher, explained to her fans about the name's meaning. He posted on twitter that the child would be called X Æ A-12 Musk after that his ..read more

Mike pompeo WASHINGTON: United States secretary of state Mike Pompeo said on Sunday 03-05-2020 that "enormous evidence" which shows that the new coronavirus originated in a lab in China further filling pressures with Beijing over its treatment of the outbreak  Over 243,000 individuals have been slaughtered and 3.4 million contaminated worldwide by the infection, which has left 50% of humankind under some type of lockdown and pushed the worldwide economy towards its most noticeably terrible downturn since the Great Depression. US President Donald Trump, progressively dispara ..read more