Airy-0

Airy-0 is a crater on Mars whose location defines the position of the prime meridian of that planet. It is about 0.5 kilometres (0.31 mi) across and lies within the larger crater Airy in the region Sinus Meridiani. It was named in honor of the British Astronomer Royal Sir George Biddell Airy (1801-1892), who in 1850 built the transit circle telescope at Greenwich. The location of that telescope was subsequently chosen to define the location of Ea... More

On celestial object:

Type of planetographic feature:

Contained by:

Similar topics in Freebase

  • Arsia Mons

    Arsia Mons

    Arsia Mons is the southernmost of three volcanos (collectively known as Tharsis Montes) on the Tharsis bulge near the equator of the planet Mars. To its north is Pavonis Mons, and north of that is Ascraeus Mons. The tallest mountain in the solar system, Olympus Mons, is to its northwest. Its name...
  • Olympus Mons

    Olympus Mons

    Olympus Mons (Latin for Mount Olympus) is a large volcanic mountain on the planet Mars. By one measure it has a height of nearly 22 km (14 mi); the tallest mountain on any planet in the Solar System, almost three times as tall as Mount Everest's height above sea level. Olympus Mons is the youngest...
  • Ascraeus Mons

    Ascraeus Mons

    Ascraeus Mons is a large shield volcano located in the Tharsis region of the planet Mars. It is the northernmost and tallest of three shield volcanoes collectively known as the Tharsis Montes. The volcano's location corresponds to the classical albedo feature Ascraeus Lacus. Ascraeus Mons was...
  • Tharsis

    Tharsis

    The Tharsis region on Mars is a vast volcanic plateau centered near the equator in Mars’ western hemisphere. The region is home to the largest volcanoes in the Solar System, including the three enormous shield volcanoes Arsia Mons, Pavonis Mons, and Ascraeus Mons, which are collectively known as...
  • Airy

    Airy

    Airy is an impact crater on Mars, named in honor of the British Astronomer, Royal Sir George Biddell Airy (1801–1892). The crater is approximately 40 kilometers in diameter and is located at 0.1°E 5.1°S in the Meridiani Planum region. The much smaller crater Airy-0, which defines the location of...
  • Ariadne crater

  • Oberth

    Oberth is a crater on the far side of the Moon. It lies in the high northern latitudes, to the southeast of the crater Gamow. To the east of Oberth is Avogadro. This is a slightly eroded crater with a roughly circular but uneven outer rim. A pair of small crater-like depressions are attached to the...

These people have edited this topic:

Edit this topic
Edit and Show details

Add or delete facts, download data in JSON or RDF formats, and explore topic metadata.

Freebase Logo
What is Freebase?

Freebase is a huge collection of facts, built by people like you. Freebase connects facts in ways other sites can't, giving you new ways to explore millions of subjects.
You can help improve it!