August 25 in Space History
15 events
2MV-1 No. 1 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: 2MV-1 No. 1
Venera 2MV-1 No.1, also known as Sputnik 19 in the West, was a Soviet spacecraft, which was launched in 1962 as part of the Venera programme.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
- Wikipedia — Sputnik 19 (opens in a new tab) — Adapted from Wikipedia contributors; selected sentences retained and edited for length, reference markers and pronunciation glosses. CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/ Article and edit history: https://en.wikipedia.org/wiki/Sputnik_19 (CC BY-SA 4.0)
- Original Wikipedia link from NSE timeline (opens in a new tab) (CC BY-SA 4.0)
- Timeline of Space Exploration Missions 1957 to 2031 (opens in a new tab)
- NASA — Sputnik 19 (opens in a new tab)
- NASA NSSDCA — Sputnik 19 (opens in a new tab)
CORONA 69/1001 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: CORONA 69/1001
Thor SLV-2A Agena D launched on the CORONA 69/1001 flight from Vandenberg AFB, California, pad 75-3-4. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Explorer 20 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Explorer 20
Scout X-4 launched on the Explorer 20 flight from South Vandenberg AFB, California, pad PALC-D. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Kosmos-79 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Kosmos-79
Voskhod 11A57 launched on the Kosmos-79 flight from NIIP-5, Baykonur, Kazakstan, pad LC1. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
OSO C — launch
Category: Launches and Flight Tests
Mission: OSO C
Thor Delta C launched on the OSO C flight from Cape Canaveral Air Station, Florida, pad LC17B. Launch failure.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Sirio — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Sirio
Delta 2313 launched on the Sirio flight from Cape Canaveral Air Station, Florida, pad LC17B. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Raduga — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Raduga
Proton-K/DM launched on the Raduga flight from NIIP-5, Baykonur, Kazakstan, pad LC200/40. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Voyager 2 encounters Neptune
Category: Mission Operations and Milestones, type: Flyby
Mission: Voyager 2
Voyager 2 made the first close spacecraft encounter with Neptune.
- NASA — Voyager 2 (opens in a new tab) — Factual summary; source attribution retained.
Progress M-24 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Progress M-24
Soyuz-U launched on the Progress M-24 flight from GIK-5, Baykonur, Kazakstan, pad LC1. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
ACE — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: ACE
Delta 7920-8 launched on the ACE flight from Cape Canaveral Air Station, Florida, pad LC17A. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
ST-1 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: ST-1
Ariane 44P (44P-3) launched on the ST-1 flight from Centre Spatial Guyanais, Kourou, Guyane Francaise, pad ELA2. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
SIRTF — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: SIRTF
Delta 7920H launched on the SIRTF flight from Cape Canaveral Air Station, Florida, pad SLC17B. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Voyager 1 enters interstellar space
Voyager 1 crossed the heliopause and began sampling the interstellar environment.
- NASA — Voyager 1 (opens in a new tab) — Factual summary; source attribution retained.
WHDW 10 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: WHDW 10
Chang Zheng 8A launched on the WHDW 10 flight from Hainan Shangye Hangtian Fashe Chang (Hainan Commercial Space Launch Site), pad LC1. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Starlink-421 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Starlink-421
Falcon 9 (FT5) launched on the Starlink-421 flight from Cape Canaveral Air Station, Florida, pad LC40. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)