IC 4592: The Blue Horsehead Reflection NebulaDo you see the horse’s head? What you are seeing is not the famous Horsehead nebula toward Orion, but rather a fainter nebula that only takes on a familiar form with deeper imaging. The main part of the here-imaged molecular cloud complex is reflection nebula IC 4592. Reflection nebulas are made up…Read More

The Path of Artemis IIWhy doesn’t Artemis II land on the Moon? The main reason is that Artemis II is primarily a test mission designed to make a future Artemis missions — which will land humans on the Moon — better prepared. Similarly, NASA’s Apollo 8 and Apollo 10 went right near the Moon as tests before Apollo 11 — which landed. As the…Read More

The Path of Artemis IIWhy doesn’t Artemis II land on the Moon? The main reason is that Artemis II is primarily a test mission designed to make a future Artemis missions — which will land humans on the Moon — better prepared. Similarly, NASA’s Apollo 8 and Apollo 10 went right near the Moon as tests before Apollo 11 — which landed. As the…Read More