← Another date

Birthday · March 24, 2023

Outbound Comet ZTF

March 24, 2023

On the day you were born, the universe was already ancient beyond measure — and yet, in all those billions of years, it had never once...

Outbound Comet ZTF

A little universe, just for you

Your date.
Ready to give.

Free PNG · 1080 × 1350 · No account needed

Image rights and credit requirements apply when sharing or reusing imagery.

Change the year

APOD published March 24, 2023. Credit: Former darling. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Outbound Comet ZTF

Original APOD · March 24, 2023

Former darling of the northern sky Comet C/2022E3 (ZTF) has faded. During its closest approach to our fair planet in early February Comet ZTF was a mere 2.3 light-minutes distant. Then known as the green comet, this visitor from the remote Oort Cloud is now nearly 13.3 light-minutes away. In this deep image, composed of exposures captured on March 21, the comet still sports a broad, whitish dust tail and greenish tinted coma though. Not far on the sky from Orion's bright star Rigel, Comet ZTF shares the field of view with faint, dusty nebulae and distant background galaxies. The telephoto frame is crowded with Milky Way stars toward the constellation Eridanus. The influence of Jupiter's gravity on the comet's orbit as ZTF headed for the inner solar system, may have set the comet on an outbound journey, never to return.

Image credit: Former darling

Explore March 24 in other years