One of my astro associates posted this image in another venue and asked whether we could tell the difference between the two images: “Which is 14% bigger than the other?” This is the difference between the size of a typical full moon and a #supermoon (source)
July 29, 2021: In a challenging-to-see conjunction, Mars passes 0.6° to the upper right of the star Regulus.
July 29, 2021: The Jupiter – Mars opposition occurs this evening. The planets are 180° apart as viewed from our planet. Mars is setting as Jupiter rises.
July 27, 2021: Evening Star Venus, Mars, Saturn and Jupiter are in the evening sky. Mars is nearing its conjunction with Regulus in two evenings.
July 26, 2021: Four bright planets are in the evening sky. Mars closes in on Regulus for their conjunction in three evenings. Brilliant Evening Star Venus appears to the upper left of the impending Mars – Regulus conjunction. Saturn and Jupiter are low in the southeastern sky after sunset.
July 25, 2021: Four evenings before its conjunction with Regulus, find Mars in the western sky to the lower right of Venus. As the calendar day ends, look for the moon below bright Jupiter.