Astronomy Picture of the Day ·

Explorer I

The Astronomy Picture of the Day for February 13, 1998 is “Explorer I,” an image. It is credited to Credit: Courtesy JPL, NASA. The original explanation runs about 114 words.

Explorer I
Credit: Courtesy JPL, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Inaugurating the era of space exploration for the US, the First Explorer was launched into Earth orbit forty years ago (February 1, 1958) by the Army Ballistic Missle Agency .”

— APOD editors, February 13, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
February 13, 1998
Type
Image
Credit
Credit: Courtesy JPL, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 114 words

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.