Halloween Special – 5 Spooky Planets Orbiting Dead Stars
Zombie worlds: five spooky planets orbiting dead stars PIA. NASA/JPL All stars, including the Sun, have a finite lifetime. Stars shine by the process of nuclear fusion in which lighter atoms, such as hydrogen, fuse together to create heavier ones. This process releases vast quantities of energy which counteracts...
Engineering Problems – Why is it so difficult to send people to Venus?
Venus: the trouble with sending people there Venus, often called Earth’s “evil twin” planet, formed closer to the Sun and has since evolved quite differently from our own planet. It has a “runaway” greenhouse effect (meaning heat is completely trapped), a thick carbon-dioxide-rich atmosphere, no magnetic field and a...
Thats all folks – NASA Cancels Artemis SLS Launch
"Thats all folks" - Nasa has cancelled todays SLS moon rocket launch because of engine problem The American space agency called off todays SLS launch after engineers failed to stabilise the temperature of one of the main engines under the rocket. This flight would have been the first...