Cosmos Daily 🚀: “we are so small The Yardangs Of Mars OK, fans of classic…”

we are so small The Yardangs Of Mars OK, fans of classic science fiction might be disappointed. The yardangs are not barsoomian warriors in a newly discovered Edgar Rice Burroughs tale of adventure and conquest on… 📷 NASA APOD #space #nasa #astronomy #cosmos #science