Tag: science & technology

Delta Airlines was the largest airline in the world by passenger count in the early 2010s, carrying more passengers annually than any other carrier. This metric reflects their extensive route network and high flight frequency.

Delta Airlines operated the largest fleet of aircraft among global carriers in the early 2010s. Their fleet size supported their extensive route network and high-frequency operations across multiple continents.

Jupiter's atmosphere is approximately 90% hydrogen and 10% helium by volume, making hydrogen the primary component. Helium is the second most abundant but much less prevalent. Neon and Krypton are only present in trace amounts.

Jupiter is classified as an oblate spheroid - it's flattened at the poles and bulges at the equator due to its rapid rotation (once every 10 hours). It's not a perfect sphere or ball shape - the equatorial diameter is about 7% larger than the polar diameter.

Jupiter is classified as a gas giant planet, composed primarily of hydrogen and helium with no solid surface. Gas giants are the largest planets in our solar system and include Jupiter, Saturn, Uranus, and Neptune. Jupiter is the largest gas giant, with a mass more than twice that of all other planets in the solar system combined.

Jupiter's clouds are primarily composed of ammonia (NH3), with ammonia ice crystals forming the upper cloud deck. The atmosphere consists of about 90% hydrogen and 10% helium, with trace amounts of ammonia, water vapor, methane, and other compounds. The ammonia clouds create Jupiter's distinctive banded appearance and colors.

Jupiter's magnetic field is approximately 14 times as strong as Earth's at its equator. It is the strongest planetary magnetic field in the solar system, created by the movement of liquid metallic hydrogen in its core.

Roald Amundsen led the first expedition to reach the South Pole on December 14, 1911, beating Robert Falcon Scott's British team by about a month. Rear Admiral is a rank, not a person. Scott (option C likely misspelled 'Scott') was the second to reach. Sir Edmund Hillary was first to climb Everest, not the Pole.

Tamil is considered the oldest among major Indian languages still in use today, with a continuous literary tradition spanning over 2,000 years. It was declared a classical language of India by the Indian government. Telugu, Hindi, and Punjabi are ancient but Tamil has the oldest surviving literature among these options.

Edward Jenner (misspelled as Eduard in the option) is credited with developing the world's first vaccine, which was for smallpox, in 1796. Alexander Fleming discovered penicillin, and Einstein was a physicist.