Astronomy Picture of the Day ·

LkHa101: The Hole in the Doughnut

The Astronomy Picture of the Day for March 2, 2001 is “LkHa101: The Hole in the Doughnut,” an image. It is credited to Credit: Peter Tuthill ( Sydney University Physics Department ) et al., W.M. Keck Observatory. The original explanation runs about 176 words.

LkHa101: The Hole in the Doughnut
Credit: Peter Tuthill ( Sydney University Physics Department ) et al., W.M. Keck Observatory Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“You’d need a really big cup of coffee with this doughnut … because the hole in the middle is about a billion kilometers across. Centered on the Sun, a circle that size would lie between the orbits of Mars and Jupiter.”

— APOD editors, March 2, 2001

Read the full explanation on science.nasa.gov

At a glance

Date
March 2, 2001
Type
Image
Credit
Credit: Peter Tuthill ( Sydney University Physics Department ) et al., W.M. Keck Observatory
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 176 words

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

Topics in this entry

The SunMarsJupiter

Topics are matched from words in the title and explanation.

On this day: March 2 in other years

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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.