Reference Terms
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Ion thruster propulsion system
An ion thruster (or ion drive), one of several types of spacecraft propulsion, uses beams of ions - electrically charged atoms or molecules - for propulsion.
Note: The above text is excerpted from the Wikipedia article "Ion thruster propulsion system", which has been released under the GNU Free Documentation License.
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Space & Time News
November 6, 2024
Oct. 30, 2024 New research in our Milky Way has revealed a neutron star that rotates around its axis at an extremely high speed. It spins 716 times per second, making it one of the fastest-spinning objects ever ...
Oct. 30, 2024 It would take far longer than the lifespan of our universe for a typing monkey to randomly produce Shakespeare, a new study ...
Oct. 17, 2024 Astronomers observed ancient quasars that appear to be surprisingly alone in the early universe. The findings challenge physicists' understanding of how such luminous objects could have formed so early on in the universe, without a significant ...
Oct. 16, 2024 An international team has successfully demonstrated that 70% of all known meteorite falls originate from just three young asteroid families. These families were produced by three recent collisions that occurred in the main asteroid belt 5.8, 7.5, ...
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Nov. 6, 2024 Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, reports a research team. This type of ...
Nov. 6, 2024 Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...
Nov. 6, 2024 Researchers have uncovered where FRBs are more likely to occur in the universe -- massive star-forming galaxies rather than low - mass ...
Nov. 4, 2024 A new study details how climate change transforms coastal wetlands in North Carolina from forest to marshland or even open water, and how satellite imagery may help better direct conservation efforts ...
Nov. 4, 2024 Stem cells grown in microgravity aboard the International Space Station (ISS) have unique qualities that could one day help accelerate new biotherapies and heal complex disease, researchers say. The ...
Nov. 4, 2024 The temperature of elementary particles has been observed in the radioactive glow following the collision of two neutron stars and the birth of a black hole. This has, for the first time, made it ...
Nov. 4, 2024 Astronomers have discovered a supermassive black hole at the center of a galaxy just 1.5 billion years after the Big Bang that is consuming matter at a phenomenal rate -- over 40 times the ...
Oct. 30, 2024 More accurate orbit predictions for satellites and space debris as well as a better understanding of the water masses present on Earth: Researchers at achieved both using satellite laser ...
Nov. 1, 2024 Teams of astronomers used the combined power of NASA's Hubble and James Webb space telescopes to revisit the legendary Vega ...
Oct. 31, 2024 For Halloween, the European Southern Observatory (ESO) reveals a spooktacular image of a dark nebula that creates the illusion of a wolf-like silhouette against a colourful cosmic backdrop. Fittingly ...