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Katherine Johnson’s mathematical calculations helped guide some of America’s most important early space missions while she confronted the racial and gender barriers faced by Black women in twentieth-century America.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
 | |
| Mission type | Mir resupply |
|---|---|
| COSPAR ID | 1989-023A |
| SATCAT no. | 19895[1] |
| Mission duration | 39 days, 17 hours and 8 minutes |
| Spacecraft properties | |
| Spacecraft | Progress (No.149) |
| Spacecraft type | Progress 7K-TG[2] |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 16 March 1989, 18:54:15 UTC[1] |
| Rocket | Soyuz-U2[2] |
| Launch site | Baikonur, Site 1/5 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 25 April 1989, 12:02 UTC[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 187 km[3] |
| Apogee altitude | 243 km[3] |
| Inclination | 51.6°[3] |
| Period | 88.8 minutes[3] |
| Epoch | 16 March 1989 |
| Docking with Mir | |
| Docking port | Kvant-1 aft[3] |
| Docking date | 18 March 1989, 20:50:46 UTC |
| Undocking date | 21 April 1989, 01:46:15 UTC |
| Time docked | 33 days, 4 hours and 55 minutes |
Progress 41 (Russian: Прогресс 41) was a Soviet unmanned Progress cargo spacecraft, which was launched in March 1989 to resupply the Mir EO-4 expedition aboard the Mir space station.
Progress 41 launched on 16 March 1999 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[2][4]
Progress 41 docked with the aft port of the Kvant-1 module of Mir on 18 March 1989 at 20:50:46 UTC, and was undocked on 21 April 1989 at 01:46:15 UTC.[3][5]
It remained in orbit until 25 April 1989. Progress 41 deorbited in an uncontrolled decay, after it had run out of fuel from boosting Mir into a higher orbit. The mission ended at 12:02 UTC.[3][5]
This article incorporates text from this source, which is in the public domain.
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Source: Wikipedia. Article content is retrieved live through the MediaWiki API.
Progress 41 (Russian: Прогресс 41) was a Soviet unmanned Progress cargo spacecraft, which was launched in March 1989 to resupply the Mir EO-4 expedition aboard the Mir space station.
Progress M-41 (Russian: Прогресс M-41) was a Russian unmanned Progress cargo spacecraft, which was launched in April 1999 to resupply the Mir space station and carry the Sputnik 99 satellite.
Progress M-40 (Russian: Прогресс M-40) was a Russian unmanned Progress cargo spacecraft, which was launched in October 1998 to resupply the Mir space station, carry the Sputnik 41 satellite and the unsuccessful Znamya 2.5 solar mirror.
Sputnik 41 (Russian: Спутник 41, French: Spoutnik 41), also known as Sputnik Jr 2 and Radio Sputnik 18 (RS-18), was a Franco-Russian amateur radio satellite which was launched in 1998 to commemorate the hundredth anniversary of the Aéro-Club de France, and the forty-first anniversary of the launch of Sputnik 1, the world's first artificial satellite. A 4-kilogram (8.8 lb) one-third scale model of Sputnik 1, Sputnik 41 was deployed from the Mir space station on 10 November 1998. Sputnik 41 was launched aboard Progress M-40 at 04:14 UTC on 25 October 1998, along with supplies for Mir and the Znamya-2.5 reflector experiment. A Soyuz-U carrier rocket placed the spacecraft into orbit, flying from Site 1/5 at the Baikonur Cosmodrome in Kazakhstan: the same launch pad used by Sputnik 1. Progress M-40 docked to Mir on 27 October, and the satellite was transferred to the space station. At about 19:30 UTC on 10 November, during an extra-vehicular activity, Sputnik 41 was deployed by cosmonauts Gennady Padalka and Sergei Avdeyev. On 24 November, a fortnight after deployment, Sputnik 41 was in a low Earth orbit with a perigee of 339 kilometres (211 mi), an apogee of 352 kilometres (219 mi), an inclination of 51.6 degrees, and a period of 91.44 minutes. The satellite was given the International Designator 1998-062C and was catalogued by the United States Space Command as 25533. Having ceased operations on 11 December 1998 after its batteries expired, Sputnik 41 decayed from orbit on 11 January 1999. Sputnik 41 was originally intended to be built aboard Mir, based on a satellite launched in October 1997 as a backup for Sputnik 40. That spacecraft had been stored aboard the space station for a year after the successful deployment of Sputnik 40, and it was intended that it would be fitted with upgraded electronics and deployed. By the time of launch, the project had grown to involve a complete satellite, and the Sputnik 40 backup was never deployed.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Joe Louis.
