Question

what is speed of halleys comet​

Answer 1

Answer:

The comet's perihelion is 88 million km at a velocity of 55 km/sec; its apihelion is 5.3 billion km at a velocity of 1 km/sec.

Answer 2

Answer:

Halley's Comet, appearing about every 76 years, is by far the brightest comet yet observed from earth. The comet's perihelion is 88 million km at a velocity of 55 km/sec; its apihelion is 5.3 billion km at a velocity of 1 km/sec.