Rate the following argument fragment on its writing, argument, and language skills:
Lead: In "The Challenge of Exploring Venus," the author describes why putting a man on the moon seems like a walk in the park compared to the horrendous obstacles preventing humans from pushing the frontier with visiting one of Earth's neighbors, Venus. The thick atmosphere is toxic to us. The clouds of sulfuric acid, the incredibly high temperatures on the planet's surface, and pressure would present challenges to mankind and its technology.

Score: 2