Search results
Results from the WOW.Com Content Network
The operation consisted of 29 explosions, of which only two did not produce any nuclear yield.Twenty-one laboratories and government agencies were involved. While most Operation Plumbbob tests contributed to the development of warheads for intercontinental and intermediate range missiles, they also tested air defense and anti-submarine warheads with smaller yields.
The previous record, 42.73 million kilometers (26.55 million miles) from the Sun's surface, was set by the Helios 2 spacecraft in April 1976. [13] At its perihelion on 27 September 2023, the PSP's closest approach was 7.26 million kilometers (4.51 million miles), [ 14 ] reaching this distance again on 29 March 2024.
The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
Main Menu. News. News
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Sep. 27—On September 27, 1956, Captain Milburn Grant "Mel" Apt became the fastest man alive during his test flight aboard the Bell X-2 supersonic aircraft, reaching speeds three times faster ...
The fastest wind speed ever recorded on Earth, caused by the 1999 Bridge Creek–Moore tornado. 150.6: 539: 337: 5 × 10 −7: Top speed of an internal-combustion-powered NHRA Top Fuel Dragster. 154 554.4 344.5 5.1 × 10 −7: Speed of the fastest crossbow arrow. 157: 575: 351: 5.2 × 10 −7: Top speed of experimental test TGV train in 2007 ...
However, if one measuring 50-meters-wide and speeding towards Earth at roughly 9 miles per second exploded in the air, it would be rather catastrophic. The probable effect has been likened to just ...