Kosmos 690

Bion 2 was a Bion satellite launched by the Soviet Union on October 22, 1974 at 1800 hours UTC.

Mission

It carried albino rats for biomedical research. Soviet, Czechoslovak, and Romanian scientists subjected the rats to daily radiation doses from a gamma source by ground command. When they were recovered 20.5 days later, many rats had developed lung problems and their blood and bone marrow had changed more than those of control specimens. It had an on-orbit dry mass of 5500 kilograms and had a US National Space Science Data Centre ID of 1974-080A.

The spacecraft was based on the Zenit spy satellite with emphasis on studying the problems of radiation effects on human beings.

It was also known as Biocosmos 2, Cosmos 690 and 07478

← 1973 · Orbital launches in 1974 · 1975 →

Kosmos 628 \| Skynet 2A \| Kosmos 629 \| Kosmos 630 \| Kosmos 631 \| Sphinx · VDS \| Kosmos 632 \| OPS 6889 \| Tansei 2 \| San Marco 4 \| Kosmos 633 \| Meteor-M No.30 \| Kosmos 634 \| Miranda \| Kosmos 635 · Nauka-17KS No.1L \| OPS 8579 \| Kosmos 636 \| Kosmos 637 \| Kosmos 638 \| Kosmos 639 \| OPS 6245 · OPS 4547 · OPS 3935 \| Kosmos 640 \| Unnamed \| Westar 1 \| Molniya-1-27 \| Kosmos 641 · Kosmos 642 · Kosmos 643 · Kosmos 644 · Kosmos 645 · Kosmos 646 · Kosmos 647 · Kosmos 648 \| Meteor-M No.22 \| Molniya-2-9 \| Kosmos 649 \| Kosmos 650 \| Kosmos 651 \| Kosmos 652 \| Kosmos 653 \| Kosmos 654 \| SMS-1 \| Interkosmos 11 \| Kosmos 655 \| Yantar-2K No.1 \| Kosmos 656 \| Luna 22 \| Kosmos 657 \| ATS-6 \| Explorer 52 \| Kosmos 658 \| OPS 1776 \| Kosmos 659 \| Kosmos 660 \| Kosmos 661 \| Salyut 3 \| Kosmos 662 \| Kosmos 663 \| Kosmos 664 \| Kosmos 665 \| Soyuz 14 \| Meteor-Priroda No.1 \| DS-P1-Yu No.68 \| Kosmos 666 \| Unnamed \| OPS 7518 \| Aeros 2 \| Molniya-2-10 \| Kosmos 667 \| Kosmos 668 \| Kosmos 669 · Nauka-8KS No.3 \| Molniya-1 No.38 \| Kosmos 670 \| Kosmos 671 \| OPS 6983 \| Kosmos 672 \| OPS 3004 \| Kosmos 673 \| Soyuz 15 \| Kosmos 674 \| Kosmos 675 \| Unnamed \| ANS \| Kosmos 676 \| Kosmos 677 · Kosmos 678 · Kosmos 679 · Kosmos 680 · Kosmos 681 · Kosmos 682 · Kosmos 683 · Kosmos 684 \| Kosmos 685 \| Kosmos 686 \| Westar 2 \| Kosmos 687 \| Ariel 5 \| Kosmos 688 \| Kosmos 689 \| Kosmos 690 \| Molniya-1 No.26 \| Kosmos 691 \| Meteor-M No.33 \| Luna 23 \| OPS 7122 · OPS 6239 · OPS 8452 \| Interkosmos 12 \| Kosmos 692 \| Kosmos 693 \| Fanhui Shi Weixing 1 \| NOAA-4 · OSCAR-7 · INTASAT \| Kosmos 694 \| Kosmos 695 \| Molniya-3 No.11 \| Intelsat IV F-8 \| Skynet 2B \| Kosmos 696 \| Soyuz 16 \| Helios 1 \| Kosmos 697 \| Meteor-M No.32 \| Kosmos 698 \| Symphonie 1 \| Molniya-2-11 \| Kosmos 699 \| Salyut 4 \| Kosmos 700 \| Kosmos 701

Payloads are separated by bullets ( · ), launches by pipes ( \| ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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Kosmos 690

Mission

See also