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1 ora fa · Notes/references. [1] The Horizon is a type of single-level intercity railroad passenger car used by Amtrak, the national rail passenger carrier in the United States. Amtrak ordered the cars to supplement their existing fleet of Amfleet I single-level cars used on shorter distance corridor trains. The design was based on the Comet railcar used ...
- 1988–1990
- Comet
- 1989–present
- Bombardier Transportation
1 ora fa · This represents the set of locations in space at which the decoupling event is estimated to have occurred and at a point in time such that the photons from that distance have just reached observers. Most of the radiation energy in the universe is in the cosmic microwave background, [50] making up a fraction of roughly 6 × 10 −5 of the total density of the universe.
1 giorno fa · 1,490–1,635. RMS Titanic sank on 15 April 1912 in the North Atlantic Ocean. The largest ocean liner in service at the time, Titanic was four days into her maiden voyage from Southampton to New York City, with an estimated 2,224 people on board when she struck an iceberg at 23:40 ( ship's time) [a] on 14 April.
1 giorno fa · v. t. e. Project Gemini ( IPA: / ˈdʒɛmɪni /) was the second United States human spaceflight program to fly. Conducted after the first American manned space program, Project Mercury, while the Apollo program was still in early development, Gemini was conceived in 1961 and concluded in 1966. The Gemini spacecraft carried a two-astronaut crew.
