Q 01/05

Which container ship blocked the Suez Canal for six days in March 2021?

A) Ever Given

B) Ever Ace

C) MSC Oscar

D) Emma Maersk

Answer · why

A) Ever Given

The 400-metre vessel was freed by fourteen Egyptian, Dutch and Italian tugs.

Q 02/05

Which NASA rover landed in Mars's Jezero Crater on February 18, 2021?

A) Curiosity

B) Perseverance

C) Opportunity

D) Spirit

Answer · why

B) Perseverance

It carried the Ingenuity helicopter and is caching rock samples for a future return mission.

Q 03/05

How many flights did the Mars helicopter Ingenuity eventually complete, against a plan of five?

A) 5

B) 20

C) 72

D) 150

Answer · why

C) 72

It flew for nearly three years before being retired.

Q 04/05

Which space telescope launched on Christmas Day 2021 aboard an Ariane 5?

A) Hubble

B) Kepler

C) Euclid

D) James Webb

Answer · why

D) James Webb

It headed for the Sun–Earth L2 point, 1.5 million km away, and sent its first image in 2022.

Q 05/05

Webb's gold-coated primary mirror is made of how many hexagonal segments?

A) 18

B) 7

C) 36

D) 91

Answer · why

A) 18

Together they form a 6.5-metre mirror, against Hubble's 2.4 metres.