- A neutron star is about 20 km in diameter and has the mass of about 1.4 times that of our Sun.
- One teaspoonful would weigh a billion tons (or more)
- Some neutron stars have jets of materials streaming out of them at nearly the speed of light. As these beams pan past Earth, they flash like the bulb of a lighthouse. This pulsing appearance led them to be called pulsars.
Sunday, September 27, 2015
Friday, September 25, 2015
- Titan harbours the only other verified bodies of liquid on the surface of a planet/moon
- Lakes are composed of liquid methane
- Reaction between UV light and methane could produce organic molecules i.e. amino acids
- Should we sit back and let it be?
Saturday, September 19, 2015
- Using WISE (NASA's Wide-field Infrared Survey Explorer), the research team has discovered more than 400 dust-shrouded nurseries of stars, which trace the shape of our galaxy's spiral arms
- The results support the four-arm model of our galaxy's spiral structure.
- The spacecraft was put into hibernation mode in 2011, after it scanned the entire sky twice
- In September 2013, WISE was reactivated
Monday, September 7, 2015
- Solar storms pose more danger than ever recorded in human history
- Centuries of technological advanced could be wiped in the worst case scenario
- The Sun has fired a warning shot before
- Civilization must take steps to reduce risks