War Games With Rocket Tech - Deepstash

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What is rocket science?

War Games With Rocket Tech

  • Inspired by the German V-2 rocket weapon in World War II, many new rocket models were made by Russia and the U.S., as military technology was sought after in the arms race that followed.
  • Many American rockets were initially intercontinental ballistic missiles.
  • Liquified hydrogen is the preferred substance in modern rockets and those which have to work without air use oxidizers to help with the required oxygen in the system.
  • Some newer rockets are electric and use charged ions as thrusters by creating an electric field.

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NASA - planetary science
NASA - planetary science

At the beginning of this year, NASA scientists had to decide which missions should explore our Solar System. They chose four missions for further study from the 20 intriguing ideas submitted. From these, they will pick two to fund fully.

This is how NASA has done planetary science for decades, and the process has succeeded phenomenally. Yet, there is so much more we can learn about the Solar System.

Emerging technologies for space exploration

Two emerging technologies may propel NASA and the rest of the world into an era of faster, low-cost exploration that would lead to more exploration and democratise access to the Solar System.

  • A new generation of companies is developing new rockets for small satellites. Rocket Lab has a lunar program for its small Electron rocket, and Virgin Orbit with a group of Polish universities is to launch up to three missions to Mars with its LauncherOne vehicle.
  • At the same time, various components of satellites are being miniaturised.
  • Tiny satellites are no longer theoretical. Two years ago, a pair of CubeSats, called MarCO-A and MarCO-B, launched with the InSight mission. The briefcase-sized satellites deployed their own solar arrays and journeyed to Mars.
Small sats in deep space

NASA had several goals with MarCO. The MarCOs proved that small satellites could thrive in deep space and stream data back home.

A few months after their mission ended, the European Space Agency announced that it would send two CubeSats on its "Hera" mission to a binary system.

Asteroids
Asteroids
  • Asteroids are rocks which revolve around the sun. They are usually too small to be considered as a planet since they can be as small as 2 meters but they can be as big as 940 kilometers across.
  • Asteroids are also known as planetoids or minor planets. They are often irregularly shaped but some tend to be almost spherically-shaped. They have pitted surfaces and are covered in dust.
  • They can be dangerous because many have hit Earth in the past and it's likely that it can happen again.
The formation of asteroids

Asteroids are what's left after the formation of our solar system from billions of years ago.

It is believed that the reason why they were formed were because of the birth of Jupiter. Its birth hindered any planetary bodies to form in the space between Mars and Jupiter, which resulted to the small objects that were present to crash onto each other and fragment themselves.

The two theories that back this up are the Nice model and the Grand Tack.

Categorizing asteroids

The different types of asteroids are:

  • Main belt asteroids - Lies in between Mars and Jupiter; holds more than 200 asteroids
  • Trojan asteroids - found outside the main belt; usually orbits larger planets
  • Near-Earth asteroids (NEAs) - circles close to earth; there are three types of NEAs, Apollo, Aten, and Atira
  • The C-type - carbonaceous asteroids
  • The S-type - silicaceous asteroids
  • The M-type - metallic asteroids
  • The V-type - has a basaltic and volcanic crust