Voyager 2

Voyager 2

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NASA’s Voyager 2 probe now has exited the heliosphere – the protective bubble of particles and magnetic fields created by the Sun. Comparing data from different instruments aboard the trailblazing spacecraft, mission scientists determined the pro...

Merry Christmas

Merry Christmas

peterchess1546
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I know that it is still early for Christmas and i'm still decorating my house but i won't be online during Christmas and i hope you have a good Christmas. Best wishes for all. And it's almost a year since i created my account i just wanted to say ...

The differrent between suborbital and orbital.

The differrent between suborbital and orbital.

peterchess1546
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Imagine getting a ride on a suborbital rocket the booster will run for a bit then after the engine shut down it coasts up above the karman line or 100 kilometers but once it get to its peak or apogee it will stop and then fall back to the Earth. S...

Why does Starship belly flop ?

Why does Starship belly flop ?

peterchess1546
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I was wondering why spaceX make the Starship Belly flop during i was watching everyday astronaut  but what a coincident i just find out that he do have a video about why. And my guess is it might save some energy for the ship because rocket fuel ...

Why we explore space ?

Why we explore space ?

peterchess1546
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In 1970, a Zambia based nun named Sister Mary Jucunda wrote to Dr Ernst Specifically, she asked how he could suggest spending billions of dollars on such a project at a time when so many children were starving on Earth. Stuhlinger soon sent the f...

Remembering the Gallaudet 11.

Remembering the Gallaudet 11.

peterchess1546
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Gallaudet 11 is 11 deaf man who help form NASA in the beggining because they needed to understand more about the effect of prolonged weightlessness on the human body. So this is how it happened https://www.nasa.gov/feature/how-11-deaf-men-helped-s...

The answer of the question in the last post.

The answer of the question in the last post.

peterchess1546
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Did you have the right answer,23/9 is the birthday an aeronautical engineer, test pilot and a Nasa astronaut. He is the pilot of the Space Shuttle Columbia  misson STS-107. He is the youngest male to be in that Shuttle. William Cameron McCool ( 23...

What's the even ratio in rocket ?

What's the even ratio in rocket ?

peterchess1546
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A even ratio is the ratio between the area of the throat and the area of the nozzle exit, a nozzle's job is to convert high pressure into high speed exhaust gas the faster the engine throws propellant out the back the better the combustion has ver...