Space Image: Sputnik 1

Oct 05, 2011
Image Credit: NASA/Asif A. Siddiqi

(PhysOrg.com) -- On Oct. 4, 1957, Sputnik 1 successfully launched and entered Earth's orbit. Thus, began the space age.

The successful shocked the world, giving the former Soviet Union the distinction of putting the first human-made object into space. The word 'Sputnik' originally meant 'fellow traveler,' but has become synonymous with 'satellite' in modern Russian.

This historic image shows a technician putting the finishing touches on Sputnik 1, humanity's first artificial satellite. The pressurized sphere made of had five primary scientific objectives: Test the method of placing an artificial satellite into ; provide information on the density of the atmosphere by calculating its lifetime in orbit; test radio and optical methods of orbital tracking; determine the effects of radio wave propagation though the atmosphere; and, check principles of pressurization used on the satellites.

Explore further: Video reveals dramatic Spacex falcon rocket barge landing and launch

Related Stories

Space Image: A Beehive of Satellites

Feb 12, 2009

The launch of the first artificial satellite by the then Soviet Union in 1957 marked the beginning of the utilization of space for science and commercial activity. During the Cold War, space was a prime area ...

Vanguard I celebrates 50 years in space

Mar 13, 2008

The Vanguard I satellite celebrates its 50th birthday this year. Its launch on March 17, 1958 from Cape Canaveral, Florida, culminated the efforts of America’s first official space satellite program begun in September 1955. ...

SuitSat Experiment Ended Successfully

Mar 08, 2006

The SuitSat-1 experiment, called RadioSkaf - or Radio Sputnik in Russian - has been completed successfully by the International Space Station crew, Sergei Samburov, the project's deputy director, told the Russian ...

Russia's Soyuz: historic symbol of space reliability

Aug 25, 2011

Russia's Soyuz rocket, which failed to put a Russian supply ship into orbit, is descended from launch vehicles of the early days of the space race but until now has been a byword for reliability.

ESA sets MetOp-A launch date

Sep 14, 2006

The European Space Agency says the launch of MetOp-A, the first in a new European series of three meteorological satellites, will be Oct. 7.

Recommended for you

Ceres' bright spots come back into view

26 minutes ago

The two brightest spots on dwarf planet Ceres, which have fascinated scientists for months, are back in view in the newest images from NASA's Dawn spacecraft. Dawn took these images on April 14 and 15 from ...

Vesta—Ceres' little sister

2 hours ago

Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too ...

Curiosity rover making tracks and observations

Apr 20, 2015

NASA's Curiosity Mars rover is continuing science observations while on the move this month. On April 16, the mission passed 10 kilometers (6.214 miles) of total driving since its 2012 landing, including ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.