Near-Earth object the largest explosion in recorded history, equivalent to 20,000 megatons of TNT. It attracted widespread attention because it was discovered only after the closest approach. In March 1998, early orbit calculations for recently discovered asteroid showed a potential 2028 close approach from the Earth, well within the orbit of the Moon, but with a large error margin allowing for a direct hit. Further data allowed a revision of the 2028 approach distance to , with no chance of collision. By that time, inaccurate reports of a potential impact had caused a media storm. From the late 1990s, a typical frame
From the Earth to the Moon the Moon. It seems appropriate to us to share with you some of the reflections of the crew as the modern-day Columbia completes its rendezvous with the planet Earth and the same Pacific Ocean tomorrow." In "Back to the Future Part III", Clara Clayton in 1885 asks Emmett Brown if he believes mankind will ever "travel to the moon the way we travel across the country on trains." Being from the future Doc already knows that doesn't happen for another 84 years, but he affirms they will while quoting a passage of "From the Earth to the Moon". Clara calls