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Explorer 1 in orbit, artwork

Explorer 1 in orbit, artwork


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Explorer 1 in orbit, artwork

Explorer 1 in orbit. Computer artwork of Americas first successful artificial satellite, Explorer 1, in orbit over Earth. Explorer 1 was launched on 31 January 1958, after the USSR took the USA by surprise by launching the worlds first artificial satellite, Sputnik 1, on 4 October 1957. The satellite measured 2.05 metres in length and weighed 14 kilograms. It orbited Earth at heights of between 360 kilometres and 2520 kilometres until 31 March 1970. It carried, amongst other instruments, a geiger counter, used to detect cosmic rays. Data collected by the satellite led to the discovery of the Van Allen radiation belt, a torus of charged particles held in place by the Earths magnetic field

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Media ID 6356055

© Detlev van Ravenswaay

1900s 1950s 1958 31 January 1958 31st Artificial Satellite Cosmic Ray Research Earth Orbit Explorer 1 International Geophysical Year Jet Propulsion Laboratory Nasa North American Orbiting Rocket Satellite 1958 Alpha Solar System Space Flight Space Race Van Allen Radiation Belt


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> Science > Space Exploration > Space Rockets

> Science > Space Exploration > Sputnik


EDITORS COMMENTS
This artwork showcases the historic moment when Explorer 1, America's first successful artificial satellite, embarked on its journey in orbit around Earth. Created by Detlev van Ravenswaay, this computer-generated illustration beautifully captures the essence of this groundbreaking achievement. Launched on January 31,1958, in response to the USSR's surprise launch of Sputnik 1 a few months earlier, Explorer 1 marked a significant milestone in space exploration for the United States. Measuring at 2.05 meters long and weighing 14 kilograms, this technological marvel carried various instruments including a geiger counter used to detect cosmic rays. During its mission that lasted until March 31,1970, Explorer 1 orbited Earth at altitudes ranging from 360 kilometers to an impressive height of up to 2520 kilometers. The data collected by this remarkable satellite led to one of its most important discoveries - the existence of the Van Allen radiation belt. This torus-shaped region filled with charged particles is held in place by Earth's magnetic field and was named after James Van Allen who analyzed data obtained from Explorer I. Detlev van Ravenswaay's artwork not only pays homage to this pivotal moment but also serves as a reminder of humanity's relentless pursuit of knowledge and exploration beyond our planet. It stands as a testament to the ingenuity and determination that propelled us into the era of space travel during the mid-20th century.

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Explorer 1 in orbit
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