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Apollo posts 227
The Moon in Arizona

The Moon in Arizona

This 3.48-kilometer-wide part of the Sea of Tranquility is very special, though no one has ever landed or walked here. NAC image M1123426954LR [NASA/GSFC/Arizona State University].

Published on 02 Jul 2019

Order from Chaos — Blagg Crater

Order from Chaos — Blagg Crater

Blagg crater, named for the British astronomer who helped bring order to lunar naming chaos, is full of surprises. Taken during morning with the Sun shining from the right (east), the image above shows an area of the Moon just 9.5...

Published on 16 Apr 2019

Chang'e 4 Rover Comes into View

Chang'e 4 Rover Comes into View

The Chang'e 4 rover is now visible to LROC! Just beyond the tip of the right arrow is the rover and the lander is to the right of the tip of the left arrow. The image appears blocky because it is enlarged 4x to make it easier to see the...

Published on 08 Feb 2019

First to See the Farside

First to See the Farside

First photograph (BW) taken of the famous Apollo 8 Earthrise sequence, the following images were acquired with color film [AS08-13-2329, NASA].

Published on 24 Dec 2018

Mount Marilyn: A Lunar Love Story

Mount Marilyn: A Lunar Love Story

Mount Marilyn, with its distinctive triangular shape, served as an important navigation landmark for the Apollo 11 astronauts. Portion of LROC Wide Angle Camera mosaic, 138 km wide [NASA/GSFC/Arizona State University].

Published on 21 Dec 2018

Lunar Beauty

Lunar Beauty

The Lunar Reconnaissance Orbiter Camera imaged this bright young ray crater (3.13˚N, 281.07˚E) on 3 November 2018 — just three weeks ago. The Sun shone from the west (left, 48˚ incidence angle). This image covers an area 8.1 kilometers...

Published on 21 Nov 2018

Lobate Scarps: The Movie

Lobate Scarps: The Movie

Lobate scarps - like those shown here on the floor of the farside crater d'Alembert - are not large, but they tell us much about how hot the Moon was when it was born and its ongoing thermal evolution. Image width is about four...

Published on 31 Oct 2018

Deflector Shields Up!

Deflector Shields Up!

Part of the westernmost swirl feature in Mare Marginis. This closeup of the center of the anaglyph strip below highlights an area little more than five kilometers wide. Bright swirl areas appeared "painted on" the landscape. Part of NAC...

Published on 06 Sep 2018

Aristarchus Crater

Aristarchus Crater

The Aristarchus crater (40 kilometer diameter, 23.73°N, 312.51°E) and plateau is one of the most geologically complex areas on the Moon. In this amazing picture, the LRO spacecraft slewed 62° (west-to-east) looking across the crater....

Published on 04 Aug 2018

John Young at South Ray Crater

John Young at South Ray Crater

Overhead view of South Ray crater, the most prominent feature at the Apollo 16 Descartes landing site in the central lunar highlands. Astronaut John Young landed Lunar Module Orion north of the crater on  21 April 1972 (UTC)....

Published on 05 Jul 2018

Another Lunar Enigma

Another Lunar Enigma

Ina (18.66°N, 5.30°E) is one of the most enigmatic landforms on the Moon. First discovered in Apollo-era photographs, then intensely studied with modern observations, its nature is still unknown. The Sun is shining right-to-left, 40...

Published on 20 Jun 2018

South Massif Landslide

South Massif Landslide

By lunar standards South Massif is a relatively modest mountain, but with a rich history (geologic and exploration). The massif is about 7000 meters across at the base and 2300 meters tall; M1266925685LR, incidence angle 33°, slew angle...

Published on 09 Jun 2018

Hawke Crater

Hawke Crater

Hawke crater, 13.2 km wide, is noticeably tilted because the impactor - an asteroid or a comet - that excavated it struck the sloping inner wall of Grotrian crater. Visible are light-colored rays that attest to the crater's youth, as...

Published on 03 May 2018

Curiously Fast Degradation of Small Lunar Craters

Curiously Fast Degradation of Small Lunar Craters

Taurus-Littrow valley, geologic exploration target for Apollo 17 and the Lunar Reconnaissance Orbiter Camera study team led by Dr. Prasun Mahanti.  Center latitude 20.15°N, center longitude 30.98°E, image 18 km wide, image...

Published on 24 Apr 2018

Lunar Light Plains: The Movie

Lunar Light Plains: The Movie

The Orientale Basin, about 950 kilometers wide, is the striking multi-ringed impact feature at  lower right. New research suggests that the impact event that formed Orientale may have emplaced light plains deposits - visible here...

Published on 20 Apr 2018

Montes Carpatus

Montes Carpatus

The Montes Carpatus region (16.67°N, 332.93°E) contains numerous examples of volcanic materials. The low albedo (dark) patterns may indicate pyroclastic (explosive) material that erupted over 3 billion years ago. Tobias Mayer G crater...

Published on 08 Mar 2018

Ilmenite Seen with Ultraviolet Light

Ilmenite Seen with Ultraviolet Light

The low-reflectance portions of the Moon are composed of mare basalts, which formed via large eruptions of lava in the ancient lunar past. Variations in reflectance within the mare depend on composition, in particular, the abundance of...

Published on 01 Dec 2017

The History of Volcanism in the Moon's Largest Basin

The History of Volcanism in the Moon's Largest Basin

A view of the Moon's largest impact feature, the South Pole–Aitken basin, so named because it stretches between Aitken crater and the south pole. The orthographic projection here centered on the basin (53°S, 191°E) highlights how much...

Published on 02 Nov 2017

High Resolution Maps of the Moon

High Resolution Maps of the Moon

A section of Narrow Angle Camera (NAC) Region of Interest (ROI) mosaic of Catena Littrow (22.23°N, 29.61°E) represents one of 12 new Reduced Data Records (RDRs) recently released as part of Volume 31 of the LROC Planetary Data System...

Published on 31 Oct 2017

Investigating Newly Discovered Lobate Scarps

Investigating Newly Discovered Lobate Scarps

Joy scarp (25.28°N, 6.84°E) extends from the lower left to upper right across this scene, and is found northeast of Joy crater (not seen) in a hummocky terrain between Mare Imbrium and Mare Serenitatis. Ejecta from the fresh, 300-m...

Published on 05 Oct 2017