Astronomy Picture of the Day · September 1, 2021

Dancing Ghosts: Curved Jets from Active Galaxies

The Astronomy Picture of the Day for September 1, 2021 is “Dancing Ghosts: Curved Jets from Active Galaxies,” an image. It is credited to Image Credit: Jayanne English & Ray Norris , EMU-ASKAP , DES ; Text: Jayanne English ( U. Manitoba ). The original explanation runs about 175 words.

The picture shows the radio jets emitted from distant active galaxies. The jets, made of electrons, appear like dancing ghosts. Please see the explanation for more detailed information. — Credit: Image Credit: Jayanne English & Ray Norris , EMU-ASKAP , DES ; Text: Jayanne English ( U. Manitoba ) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why would galaxies emit jets that look like ghosts? And furthermore, why do they appear to be dancing ?”

— APOD editors, September 1, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: September 1, 2021
Type: Image
Credit: Credit: Image Credit: Jayanne English & Ray Norris , EMU-ASKAP , DES ; Text: Jayanne English ( U. Manitoba )
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 175 words