Phaethon

How often does one orbit of Phaethon around the sun take?

• 1.4 Earth years

• 1 Earth year

• 2 Earth years

• 0.5 Earth years

Tags

NGSS.MS-ESS1-2

What is the main difference between Phaethon and comets when they get close to the sun?

• Phaethon forms a coma and a tail, while comets do not

• Comets form a coma and a tail, while Phaethon does not

• Both Phaethon and comets form a coma and a tail

• Neither Phaethon nor comets form a coma and a tail

When did the asteroid Phaethon make its closest approach to Earth since 1974?

• Dec. 16, 2017

• Oct. 24, 2018

• 1974

• 1983

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

What is one possibility for how Phaethon created the trail of debris that causes the Geminid meteor shower?

• Material swept off the asteroid's surface

• Phaethon collided with another object in space

• Phaethon is a dormant comet

• Phaethon turned into an asteroid over time

What is the mission by the Japan Aerospace Exploration Agency (JAXA) that will study Phaethon?

• DESTINY+

• Geminid

• Phaethon Flyby

• Comet Dust Study

What is the albedo(reflected light) of Phaethon?

• 8 percent

• 16 percent

• 4 percent

• 32 percent

What is the classification of Phaethon in terms of celestial objects?

• Asteroid

• Comet

• Dwarf Planet

• Meteor

Which meteor shower is associated with Phaethon?

• Perseids

• Leonids

• Geminids

• Orionids

What is the diameter of Phaethon?

• 5.1 km

• 10.4 km

• 3.6 km

• 6.9 km

Tags

NGSS.MS-ESS1-3

What is unique about Phaethon's orbit compared to most asteroids?

• It is highly elliptical

• It is circular

• It is perpendicular to the ecliptic

• It is retrograde

Tags

NGSS.HS-ESS1-4