Lunar occultation sky maps of Cygnus X-1 obtained using the Lunar Prospector Gamma-Ray Spectrometer. The features correspond to the location of the Moon’s horizon, projected onto the celestial sphere (equatorial coordinates), during intervals when Cygnus X-1 rose and set relative to the spacecraft. Also shown is an illustration of the Lunar Prospector spacecraft. Credit: Richard …
Moon plays lead role in new astronomical technique Read More »
International Observe the Moon Night (InOMN) is an annual worldwide public event that encourages observation, appreciation, and understanding of our Moon and its connection to NASA planetary science and exploration. Everyone on Earth is invited to join the celebration by hosting or attending an InOMN event — and uniting on one day each year to …
International Observe the Moon Night 19 September 2015 Read More »
Our Moon is weird. It’s pretty big compared with Earth, for one. It has a way lower density than Earth, but seems to have some similarities in chemical composition to our planet. It’s also two-faced: The near side looks a lot different than the far side, as you can see from the Lunar Reconnaissance …
