Elon Musk renames his BFR spacecraft Starship

Image copyright SpaceX Elon Musk has changed the name of his forthcoming passenger spaceship from Big Falcon Rocket (BFR) to Starship. The entrepreneur would not reveal why he had renamed the craft, which has not yet been built, but added its rocket booster will be called Super Heavy. In September, Mr Musk’s SpaceX company announced […]

Continue Reading

UK industry to make new ‘Hotbirds’

Image copyright AIRBUSImage caption The BBC World Service and World News Channel go out over the Hotbirds at 13E British industry is going to build two new spacecraft for the big Paris-based telecoms operator Eutelsat. Airbus will be the manufacturer, which will be supplying its new “all electric” Eurostar Neo model. Developed in a European […]

Continue Reading

Kilogram gets a new definition

Image copyright SPLImage caption There are now discrepancies between copies of the kilogram and the master version held in a French vault Scientists have changed the way the kilogram is defined. Currently, it is defined by the weight of a platinum-based ingot called “Le Grand K” which is locked away in a safe in Paris. […]

Continue Reading

Climate change: Worries over CO2 emissions from intensifying wildfires

Image copyright Getty Images Rising numbers of extreme wildfires could result in a significant increase in CO₂ emissions, scientists warn. That could mean attaining the Paris climate agreement’s goal of keeping global temperature rise well below 2C could become harder, they say. Present emission-cut pledges by countries are projected to increase the average global temperature […]

Continue Reading