Why do galaxies shrink?
An astronomer studying the 3 main processes that cause galaxies to lose mass found that the dominant process depends on the size and age of…
Tag: gravity
Why the Milky Way is shaped like a spiral
A team of astronomers reconstructed a 3-part history of the Milky Way Galaxy by comparing the physics and chemistry of 10 million red giant…
Microgravity weakens our immune system
Researchers found the immune cells of volunteers kept in simulated microgravity were slower to activate and fight infection.
How does a cabbage seed respond to being in space?
If humans are to ever leave planet Earth, one of the first challenges we must face is how to feed ourselves. Space is hostile to life, with…
Using radio signals from exoplanets to detect magnetic fields
An observational technique called ‘beam-forming’ detects exoplanetary radio emissions that allow researchers to calculate exoplanets’…