Astronomy Picture of the Day · February 21, 1998

Neptune: Big Blue Giant

The Astronomy Picture of the Day for February 21, 1998 is “Neptune: Big Blue Giant,” an image. It is credited to Credit: Voyager 2, NASA. The original explanation runs about 104 words.

From the explanation

“This picture was taken by the Voyager 2 spacecraft in 1989 – the only spacecraft ever to visit Neptune. Neptune will be the farthest planet from the Sun until 1999, when the elliptical orbit of Pluto will cause it to once again resume this status.”

— APOD editors, February 21, 1998

Read the full explanation on science.nasa.gov

At a glance

Date: February 21, 1998
Type: Image
Credit: Credit: Voyager 2, NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 104 words

All of February 1998 → · 1998 by month → · Full archive since 1995 →

Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: February 21 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, February 21, 1998 — science.nasa.gov/image-article/apod-1998-february-21-neptune-big-blue-giant

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.