World Apr 21, 2023
SpaceX’s Starship ‘learning experience’ ends in explosion
The rocket, the most powerful ever built, did not reach orbit but provided important lessons for the private spaceflight company.
The rocket, the most powerful ever built, did not reach orbit but provided important lessons for the private spaceflight company.
If fusion can be deployed on a large scale, it would offer an energy source devoid of the pollution and greenhouse gases caused by the burning of fossil fuels.
The development could set the stage for future progress that could one day lead to the use of laser fusion as a source of carbon-free energy.
South Korea’s lunar spacecraft, named Danuri, was launched from Florida on Thursday, setting out on a roundabout but fuel-efficient path that will have it arriving at the moon in mid-December.
The trajectory of Bennu is known precisely enough that the chances of collision are exactly zero for the next century. But the crystal ball becomes fuzzier in 2135.
After numerous missions by the United States and the Soviet Union to explore it in the 1970s, ’80s and ’90s, attention shifted elsewhere.
The chances of it hitting a populated area are small, but not zero. That has raised questions about how the country’s space program designs its missions.
Like the first flight of an airplane by Wilbur and Orville Wright, the flight did not go far or last long, but it showed what could be done.
An infrared telescope mounted inside a 747 jumbo jet showed unambiguous evidence of water on parts of the moon where the sun shines.
Scientists detected a chemical — phosphine — in the thick Venus atmosphere, and they assert that something now alive is the only explanation for its source.