T he James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system ...

The images suggest key ... The HR 8799 system, a mere 30 million years old, is a cosmic youngster compared to our 4.6 billion-year-old solar system. Its planets, still radiating heat from their ...

to orbit several Solar System objects, including Jupiter, the asteroid Vesta and Mars. Polar orbits take the satellites over the Earth’s poles. The satellites travel very close to the Earth (as ...