Astronomy Picture of the Day · October 14, 2001

Galileo Demonstrates the Telescope

The Astronomy Picture of the Day for October 14, 2001 is “Galileo Demonstrates the Telescope,” an image. It is credited to Credit: Original portrait by Justus Sustermans painted in 1636.. The original explanation runs about 131 words.

From the explanation

“Galileo Galilei made a good discovery great. Upon hearing at age 40 that a Dutch optician had invented a glass that made distant objects appear larger, Galileo crafted his own telescope and turned it toward the sky .”

— APOD editors, October 14, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: October 14, 2001
Type: Image
Credit: Credit: Original portrait by Justus Sustermans painted in 1636.
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 131 words

All of October 2001 → · 2001 by month → · Full archive since 1995 →

Topics in this entry

The Moon The Sun

Topics are matched from words in the title and explanation.

On this day: October 14 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, October 14, 2001 — science.nasa.gov/image-article/apod-2001-october-14-galileo-demonstrates-the-telescope

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.