Chandra OCR 2 is a state of the art OCR model that converts images and PDFs into structured HTML/Markdown/JSON while preserving layout information. We have a hosted API for Chandra here, which is more accurate and faster. There is a free playground here if you want to try Chandra without installing. The easiest way to start is with the CLI tools:
Chandra (Sanskrit: चन्द्र, romanized: Chandra, lit. 'shining' or 'moon'), also known as Soma (Sanskrit: सोम), is the Hindu god of the Moon, and is associated with the night, plants and vegetation.
The Chandra X-ray Observatory allows scientists from around the world to obtain X-ray images of exotic environments to help understand the structure and evolution of the universe.
The Smithsonian Astrophysical Observatory operates the Chandra X-ray Observatory on behalf of NASA. Chandra has been at the forefront of developing, as well as 3D printing, these 3D models both for scientific use and for the public.
Chandra offers scientists the opportunity to collect, observe and analyze X-ray radiation. It is helping them achieve a greater understanding of the structure and evolution of the universe.
The CXC is pleased to announce the release of the Chandra Cycle 28 Call for Proposals (CfP). The Call for Proposals, Proposers' Observatory Guide (POG), proposal planning software, and general information are posted on the "Proposer" web page.
Chandra allows scientists from around the world to obtain X-ray images of exotic environments to help understand the structure and evolution of the universe.
Chandra is an Earth satellite in a 64-hour orbit, and its mission is ongoing as of 2025. Chandra is one of the Great Observatories, along with the Hubble Space Telescope, Compton Gamma Ray Observatory (1991–2000), and the Spitzer Space Telescope (2003–2020).