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On this date, 23 years ago

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On 20th November 1998, the first module of the International Space Station was launched

The module was called Zarya and was Russian-built and American-owned. Zarya is an FGB (Functional Cargo Block), which provided electrical power, storage, propulsion, and guidance to the ISS during the initial stage of assembly. The International Space Station (ISS) is a modular space station in low Earth orbit. It is a multinational collaborative project operated by 5 space agencies – the Canadian Space Agency, the European Space Agency, US's NASA, Russia's Roscosmos, and the Japanese Aerospace Exploration Agency. It is a manned artificial satellite. The brightest man-made object visible to the naked eye from Earth. ISS orbits the Earth at a speed of 17,500 miles per hour (28,000 kilometers per hour) at an average distance of 248 miles (400 kilometers) from Earth.

The station's purpose is to serve as a microgravity and space environment research laboratory where scientific research is conducted in meteorology, astronomy, astrobiology, physics, and other fields. The ISS is suited for testing the spacecraft systems and equipment required for possible future long-duration missions to the Moon and Mars.



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Planetary evolution reveals a volatile history

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Planet Formation

Just as human beings and all other living things exist in a vast number of different forms thanks to their genetic makeup, so different types of planets occur due to the chemical processes at work in the dusty regions surrounding newborn stars.

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How do we know if an asteroid headed our way is dangerous?

It is not uncommon for asteroids to hit Earth. In 2013, the Chelyabinsk meteor exploded over Russia, injuring hundreds. Image credit - Alex Alishevskikh, licensed under CC BY-SA 2.0

The dangers of the Cosmos

There are a lot of things that pose a threat to our planet – climate change, natural disasters, and solar flares, for example. But one threat in particular often captures the public imagination, finding itself popularised in books and films and regularly generating alarming headlines: asteroids.

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Sunday Inspiration: Neil DeGrasse Tyson

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Falling in love with Science will never end up with heartbreak

"During our brief stay on planet Earth, we owe ourselves and our descendants the opportunity to explore — in part because it's fun to do. But there's a far nobler reason. The day our knowledge of the cosmos ceases to expand, we risk regressing to the childish view that the universe figuratively and literally revolves around us."  - Neil DeGrasse Tyson

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