Magical Space Flight - How do thing fly in space?

Why do things fly in outer space? Have you ever questioned it? Some magic is happening around there because if something wants to fly inside the limit of atmosphere there is a need of a source for lift, a source of propulsion, and many more parameters to be taken care of but once something got out there in space, it gets to fly. Come on let’s get into this and unveil the mystery.

Video Credits: Curious Droid

Orbits:-

Every thing is revolving and rotating out there but all this is happening in an order i.e. everything has a orbit in which it revolves around the sun. Do you know our solar system resembles more like an atom just a bigger sized atom. Nucleus is our sun and electrons are the planets.

The Dark Energy and Dark Matter - What's Universe made of?

Have you ever looked up to the sky and wondered “What this vast and magnificent universe actually made of ?" Universe is such an amazing and illusive place keeping million and billions of year old secrets buried deep inside of it.

Video Credits: Kurzgesagt – In a Nutshell

When you talk about universe, everything matters. Not only the tiniest of tiny particle, but even the space that may appear absolutely empty to our eyes can hold such a vast mystery. It may take decades and decades for us humans to solve them. One such mystery that hasn’t been solved yet is THE DARK ENERGY AND DARK MATTER.

Being an amateur astronomer - How to be one?

Star Gazing is one of the most amazing experience a human may ever have. Have you ever noticed that the dots in the night skies shine? Yes they are called as Stars, there are plenty of them up there in the sky.

Video Credits: Great Big Story

Great Big Story

Have you ever thought of tracing them or even tried to count them? If tried so you might have ended up confusing your little thinker part. But the truth is that you were following a wrong procedure to count them! Then how to be one?

Lunar Droplets - What happened to our Moon's Water?

Ever since humans acknowledged the universe, we have been very much fascinated by the moon, and have made numerous attempts to find the possibility of life on it. When man first landed on the lunar surface 40 years ago, his first action was to find the possibility of presence of water on the moon.  

Video Credits: Fraser Cain

Over the time, scientists have argued whether the moon harbor water or not! It was believed that the surface of the moon is born dry, but recent studies shows that there is presence of water on moon in significant amount confirmed by not one but multiple space crafts.

Star Dust - The Big Bang Theory

We are here in earth living a beautiful life, busy in our works, fuelling our needs, fulfilling our dreams and so on. Have we ever thought were did it all start from? The past lies in mystery. What about our destiny? The future is a suspense! 

Video Credits: Discovery UK

Discovery UK

Are we aware of our surroundings? how big is the universe? Infinity raised to the power infinity is the conclusion we give! Earth supports life but why not other planets, similar kind of questions always conquer our mind! Let's try to defeat the conqueror with a theory "The big bang theory".

Space Suit - What makes it a Life Saver?

It’s not just a dress, without it an astronaut would be de-pressurised to death! This is the most important unit for an astronaut going to space. And there is a significant amount of work which goes in designing a space suit.

Video Credits: SpaceX

The design which was used for the Apollo mission is still in use, as it is with few changes equipped with technical advancements. The spacesuit includes various sub-suits which prevents the astronaut from any complications. 

Lunar Water and its origin - A mystery

The discovery of water molecules on the moon raised new questions about the origin of “LUNAR WATER?” Where did it come from? Where exactly was it reasonably found? And why only Polar Regions were typically showing the strongest signals?

Video credits: Veritasium

Earlier, there existed uncertainty about origin of this water. According to prominent scientists, there were three distinct possibilities. One possibility was that the water was promptly delivered by direct impact of rare meteorites or comets containing...

Chandrayaan 2's Pragyan Rover may still be Alive!

Remember ISRO's Chandrayaan 2 mission to moon? Well the mission was only a partial success as ISRO lost communication with the Vikram Lander, which was carrying Pragyan Rover on-board. The lander was later reported to be met with a hard landing #crashed. 

Chandrayaan2's Pragyan "ROVER" intact on Moon's surface & has rolled out few metres from the skeleton Vikram lander whose payloads got disintegrated due to rough landing | More details in below tweets @isro #Chandrayaan2 #VikramLander #PragyanRover (1/4) pic.twitter.com/iKSHntsK1f

— Shan (Shanmuga Subramanian) (@Ramanean) August 1, 2020

But now (August 1, 2020) Shanmuga Subramanian, the techie who got credited by NASA for finding debris of Chandrayaan 2's Vikram lander, claims that Pragyan rover may still be alive! and he has also shared his findings with ISRO and NASA.

As per Shan's findings...

SpaceX nose cone recovery - Another milestone in reusable rocket technology

SpaceX has nailed it again! Their technical expertise in the pioneering field of 'Rocket Science' has undoubtedly proven a new level of remarkable achievement! SpaceX has performed flawlessly an all reusable rocket component recovery on July 20, 2020. This historic milestone was realistically achieved when their crew boats accurately captured both the payload fairings of its reusable rocket nose cone. Watch the magnificent video footage shared by SpaceX

Video Credits: VideoFromSpace

It realistically is a significant achievement. How significant is it? Reusable rockets reduce mission cost, so how does recovering a nose cone turn significant. Do you know? each two-piece fairing (payload nose cone) costs about $6 million, this is...

Free Fall

Astronauts float inside space station or do they really float? Actually astronauts do not float but fall around Earth all the time. The way they fall is known as free fall. Free fall is a state in which gravity becomes the only acceleration force acting on the body. In a free fall no other force such as air resistance, pushing, pulling is considered to be acting on the body.

Video Credits: Bryan Rolfe

Do you know? An astronaut on-board ISS still feels 90 percent of Earth’s gravity. A person on moon can still feel 17 percent of Earth’s gravitational force. Falling towards Earth with a parachute deployed cannot be called as free fall, as the aerodynamic drag force equals the gravity.  Can you imagine what else is in free fall?

Airlock – The Door to Space

Have you ever seen astronauts going for a spacewalk all suited up in their space suits?. You might have noticed them opening a door and locking it, then waiting for some time and then opening another door to get out to space. If not on live shows from the International Space Station (ISS) you might have noticed this scene in many space fiction movies. Why do they do so?

Video Credits: European Space Agency, ESA

Astronauts do this to avoid accidents such as blow outs and to keep the space station safe. The pressure inside...

Lapse Rate and Earth's Atmosphere

Atmosphere varies with increase in altitude. Temperature, pressure and density are the important parameters that vary with altitude. A static atmospheric model known as “International Standard Atmosphere” is referred for determining the parameters at a particular altitude. 

Video Credits: GATE Aerospace Engineering

Therefore temperature variation is of special interest as it varies at a constant rate at lower altitudes. Lapse Rate is a rate at which temperature varies with altitude (temperature gradient). Lapse rate is denoted as ‘a’.Earth’s atmosphere is divided into five layers namely troposphere, stratosphere, mesosphere, thermosphere, and...

STARLINK – Satellite Constellation

In today’s world we use optical fibres and cellular technologies to support our internet and communication requirement. All our cell phones, smart gadgets except satellite phones use cellular networks. But future communication technologies may be astonishing and way beyond our thinking. SpaceX’s is working on a space-based Internet communication system which can provide low cost internet accessibility around globe known as “STARLINK”.

Video Credits: Real Engineering

Real Engineering

A satellite constellation consisting of 12,000 satellites is planned to be launched for the mission. This satellite constellation is designed to cover the whole globe providing a global internet accessibility. It may seem to be a hypothetical project but to our surprise the project has moved from research & development to manufacturing. Initial commercial operations are...

THE HIDDEN FACE – Exploring the far side of moon

The moon has been our neighbour for ages, explorations are being conducted for decades. Every question invariably leads to a remarkable discovery, vice versa every discovery leads to a question. Planetary observers doubted the appearance of the moon since they were able to see only the near side of the moon every time, have you ever noticed it? If not peep through your window to instantly start observing!

Video Credits: SciShow Space

This profound mystery remained unsolved till the soviets properly captured the first iconic photo by their Luna 3 space probe. But this didn’t put a full stop to the eternal quest! Still several questions were raised and numerous concepts were required to explain them. Willingly let’s take a trip around those fundamental questions and key concepts...

Retro Propulsion - The way rockets propel back

Rockets are known for making their way up into sky off to space but have you ever noticed a rocket land? Recent technological advancements have proven that rockets too can land. Blue origin‘s New Shepard rocket was the first to officially land a rocket on November 23, 2015. 

Video Credits: Everyday Astronaut

SpaceX commercially implemented the idea in their Falcon Boosters. Since then several rocket landings were witnessed. So what’s the technique, that can be used to make a rocket land?

KARMAN LINE – Where Space Begins

Ever wondered about the boundary between earth and space, we are well aware about the boundaries between nations/countries, but what is the case with space and earth? There is an imaginary boundary named as “Karman Line” named after Theodore von Kármán.

"Anyone who crosses karman line is termed as an astronaut."

According to Kármán’s calculations, this line lies at an altitude of 83.6 km (51.9 miles). The figure (83.6 km) isn’t an arbitrary number, there is a substantial reason behind it.

Video Credits: Seeker