Comet ISON Meteor Shower Quiz

What was the expected outcome of Comet ISON's close encounter with the sun in November 2013?

• It would collide with Earth.

• It would change its orbit significantly.

• It would disintegrate completely.

• It would become one of the brightest comets in years.

What unique property might the meteor shower from Comet ISON have?

• It could be visible only during the day.

• It could dust the Earth's surface with tiny particles.

• It might consist of large, visible particles.

• It might cause a significant temperature drop.

What are noctilucent clouds, and how might they relate to Comet ISON?

• They are clouds that form only during solar eclipses.

• They are clouds that form at low altitudes.

• They are electric-blue clouds possibly seeded by space dust from Comet ISON.

• They are storm clouds formed by Earth's weather systems.

How will the meteor shower from Comet ISON impact Earth?

• It will cause significant damage to Earth's surface.

• It will be visible only from the Southern Hemisphere.

• It will impact Earth from two directions simultaneously.

• It will hit Earth from one direction only.

What is the risk to Earth-orbiting spacecraft from the Comet ISON meteor shower?

• The particles are too small to pose a threat.

• The particles could cause significant damage.

• The particles will alter the orbits of satellites.

• The particles will increase the temperature of spacecraft.