Mercury Assignment

Who discovered the Mercury in 1639?

• Galileo Galilei

• Isaac Newton

• Giovanni Zupi

Mercury is named after the _________ messenger god.

• Greek

• Roman

• Latin

What is the average distance Mercury orbits the Sun?

• 58 million km

• 100 million km

• 150 million km

Mercury completes an orbit every ___ Earth days.

• 88

• 365

• 225

What is the range of distance from the Sun for a planet depending on its orbit?

• 46 to 70 million km

• 50 to 80 million km

• 40 to 60 million km

Mercury goes through phases like the ____.

• Moon

• Sun

• Earth

Why is Mercury challenging to observe?

• It is too far from Earth

• It is too close to the Sun

• It is too small

When is Mercury always low on the horizon?

• At noon

• After sunset or before sunrise

• At midnight

What effect does Mercury's atmosphere have on its appearance?

• Makes it appear fuzzy

• Makes it appear brighter

• Makes it appear darker

What is the approximate diameter of Mercury?

• 4900 km

• 7000 km

• 10000 km