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Nature

Laika Dog

What is laika dog?

· Emily Grant

Key facts

Term Generic name for several dog breeds[2]
Region Northern Russia and Siberia[2]
Meaning To bark[2]
Spaceflight date 3 November 1957[1]
Spacecraft Sputnik 2[1]

Laika dog refers either to a group of northern Russian hunting dog breeds or to the Soviet space dog Laika, the first animal to orbit Earth.

Context

The term 'laika' can refer to a group of northern Russian hunting dog breeds or to the Soviet space dog Laika. In dog-breed usage, laika is a generic term for several hunting dogs from northern Russia and Siberia, and the name comes from the Russian verb meaning 'to bark' [2]. In space history, Laika was the Soviet dog that became the first animal to orbit the Earth aboard Sputnik 2 on 3 November 1957 [1].

Documented claims

  • The term laika is used for multiple Nordic hunting dog breeds, not one single breed. [2]
  • The space dog Laika was the first animal to orbit the Earth. [1]

Questions and answers

Is Laika's dog still in space?

No, Laika died in orbit, but her body did not return to Earth; it burned up on re-entry [1].

How long did Laika suffer?

Sources differ on the exact timing, with reports ranging from hours after launch to five to seven hours [3].

How did they know Laika was dead?

Biomedical sensors transmitted data until her death, which indicated when her vital signs ceased [1].

Did Laika's body come back?

No, Laika's body never returned to Earth; it was destroyed during re-entry [1].

Sources

  1. Perros de raza | Laika — deanimalia.com (retrieved August 3, 2026)
  2. Laika, la perra del Sputnik 2: la primera en orbitar la Tierra — mejorparaperros.com (retrieved August 3, 2026)
  3. Laika — ecured.cu (retrieved August 3, 2026)

Sources last checked August 3, 2026. · More in Nature