When the lunar module lands at 4:18 p.m. EDT, only 30 seconds of fuel remain. Armstrong radios, "Houston, Tranquility Base here. The Eagle has landed." Mission control erupts in celebration as the tension breaks, and a controller tells the crew, "You got a bunch of guys about to turn blue, we're breathing again."

—“July 20, 1969: One Giant Leap for Mankind,”
NASA

Which element adds to the factual style of the text?

the use of descriptive words such as “Mission control erupts”
the radio message from Armstrong
the statistics describing the landing time and the amount of fuel left
the exaggeration “about to turn blue”​