February's 'planet parade': How to see the spectacular event from Europe | Euronews
February's 'planet parade': How to see the spectacular event from Europe. Source link
How to see January's spectacular 'planet parade' from Europe – Euronews
This month's planetary alignment sees Venus, Mars, Jupiter, Saturn, Neptune and Uranus visible in the night sky all at once. Source link
How to turn most of the CO2 an astronaut exhales into fresh oxygen | New Scientist
Missions to the moon or Mars could get more sustainable life support from a chemical reaction that turns the carbon dioxide exhaled by astronauts … Source link
How to Run on the Moon
When the elevator is stopped, the two forces are equal and opposite, and the net force is zero. But if you’re accelerating upward, the net force must also be upward. This means the normal force exceeds the gravitational force (shown by the lengths of the two arrows above). So you feel heavier when the normal […]