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- About APOD
About image permissions: All the images on the APOD page are credited to the owner or institution where they originated Some of the images are copyrighted and to use these pictures publicly or commercially one must write to the owners for permission For the copyrighted images, the copyright owner is identified in the APOD credit line (please see the caption under the image), along with a
- APOD: The Southern Cross in a Southern Sky (2015 Oct 19)
APOD: The Southern Cross in a Southern Sky (2015 Oct 19) by APOD Robot » Mon Oct 19, 2015 4:07 am The Southern Cross in a Southern Sky Explanation: Have you ever seen the Southern Cross? This famous constellation is best seen from Earth's Southern Hemisphere
- APOD: Doomed Star Eta Carinae (2023 Jul 09) - Starship Asterisk*
APOD Robot wrote: ↑ Sun Jul 09, 2023 4:07 amDoomed Star Eta Carinae " Eta Carinae, in the Keyhole Nebula, is the only star currently thought to emit natural LASER light " The word "LASER" is an acronym and stands for "Light Amplification by Stimulated Emission of Radiation"
- APOD: The Pelican Nebula in Gas, Dust, and. . . (2023 Aug 07)
Re: APOD: The Pelican Nebula in Gas, Dust, and (2023 Aug 07) by zendae1 » Mon Aug 07, 2023 3:48 pm Would the hydrogen and oxygen combine under the evolving conditions to form water? It is happening within the accretion disc of PDS 70, a very young star very close to the Solar System
- APOD: Spiral Galaxy NGC 1350 (2021 Feb 12) - Starship Asterisk*
Re: APOD: Spiral Galaxy NGC 1350 (2021 Feb 12) by VictorBorun » Sat Feb 13, 2021 10:53 am Chris Peterson wrote: ↑ Sat Feb 13, 2021 3:16 am Only material that interacts with multiple bodies inside the galaxy has the possibility of being captured Can you please give more details? How can a galaxy or a star form in the first place?
- APOD: Moonrays of August (2023 Aug 04) - Starship Asterisk*
APOD: Moonrays of August (2023 Aug 04) by APOD Robot » Fri Aug 04, 2023 4:07 am Moonrays of August Explanation: A Full Moon rose as the Sun set on August 1 Near perigee, the closest point in its almost moonthly orbit, the brighter than average lunar disk illuminated night skies around planet Earth as the second supermoon of 2023
- APOD: Stars, Dust and Nebula in NGC 6559 (2023 Jul 10)
Re: APOD: Stars, Dust and Nebula in NGC 6559 (2023 Jul 10) by VictorBorun » Tue Jul 11, 2023 5:39 am Ann wrote: ↑ Mon Jul 10, 2023 5:33 am Likely mechanism for creating the red ridge of NGC 6559 This ridge— judging by visible brightness of the likely stellar wind sources — should drift in 2 o'clock direction
- APOD: North Star: Polaris and Surrounding Dust (2023 Apr 11)
Re: APOD: North Star: Polaris and Surrounding Dust (2023 Apr 11) by johnnydeep » Tue Apr 11, 2023 7:58 pm So, referencing Ann's dissertation above , is the age of a cluster (e g , NGC 188) just the average (or perhaps most common) age of all the individual stars in it?
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