Cosmos Daily 🚀: “space never disappoints Fermi's Gamma-ray Moon If you could…”

space never disappoints Fermi's Gamma-ray Moon If you could only see gamma-rays, photons with up to a billion or more times the energy of visible light, the Moon would be brighter than the Sun! That startling notion underlies… 📷 NASA APOD #space #nasa #astronomy #cosmos #science