Latest Heiner Klinkrad Stories
The Russian probe that was to explore Mars' moon Phobos before becoming stranded in orbit is expected to fall back to Earth sometime next week.
Assessing the risk that space debris pose to operational spacecraft and satellites is a challenge and depends on whether you are worried about being hit by a known, tracked debris object or by an unknown object. At least the known objects are, well, known. These include old spacecraft, other satellites, rocket bodies and large fragments from past break-ups.
- A person who stands up for something, as contrasted to a bystander who remains inactive.
- One of the upright handlebars on a traditional Inuit sled.