APOD.pl: astronomiczne zdjęcie dnia

Codziennie nowy obraz lub zdjęcie naszego fascynującego Wszechświata
wraz z krótkim objaśnieniem napisanym przez zawodowego astronoma.
Zobacz więcej!

4 lipca 2025

NGC 6946 and NGC 6939
Źródło i prawa autorskie: Alberto Pisabarro

Opis: Face-on spiral galaxy NGC 6946 and open star cluster NGC 6939 share this cosmic snapshot, composed with over 68 hours of image data captured with a small telescope on planet Earth. The field of view spans spans about 1 degree or 2 full moons on the sky toward the northern constellation Cepheus. Seen through faint interstellar dust couds near the plane of our Milky Way galaxy, the stars of open cluster NGC 6939 are 5,600 light-years in the distance, near bottom right in the frame. Face-on spiral galaxy NGC 6946 is at top left, but lies some 22 million light-years away. In the last 100 years, 10 supernovae have been discovered in NGC 6946, the latest one seen in 2017. By comparison, the average rate of supernovae in our Milky Way is about 1 every 100 years or so. Of course, NGC 6946 is also known as The Fireworks Galaxy.

Jutro: squid game

Autorzy i wydawcy: Robert Nemiroff (MTU) i Jerry Bonnell (UMCP)
NASA Official: Amber Straughn obowiązują określone prawa.
Polityka Privacy, Accessibility, Notices;
Serwis prowadzony przez: ASD w NASA / GSFC,
NASA Science Activation
oraz Michigan Tech. U.