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Welcome to the Beta version of the new MAST website!

We are in the process of porting over all of the pages. If you can't find something you are looking for, check the legacy site

We would love your feedback! Share your thoughts by emailing archive@stsci.edu

Maximizing scientific accessibility and productivity of astronomical data.

The Mikulski Archive for Space Telescopes (MAST) is a NASA funded project. We provide a variety of astronomical data archives focused on scientific data sets in the optical, ultraviolet, and near-infrared parts of the spectrum. MAST is located at the Space Telescope Science Institute (STScI).

Access MAST Data

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See All Of MAST's Missions and Data Collections!

HST - Hubble Space Telescope

JWST - James Webb Space Telescope

TESS - Transiting ExoplanetSurvey Satellite

High Level Science Products

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Read our Newsletters

We have all MAST Archive News articles published since 1997. They include information about new data products available on our archive, new or improved site features for our numerous web pages, or general information highlighting topics you might not be familiar with.

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JOBS: Scientific software engineers wanted! We have two (2) of these positions open, both will work on our Data Science Initiative (DSI) projects. Interested? Apply here: keckobservatory.applicantpro.com/jobs/1471760.h…

Mission Update: 赛和谐风安卓版 Sector 26 ingest is expected to start on Monday August 3rd. An announcement will be made when ingest does start, subject to change.

Watch this video to learn how to find and download science ready data using #ESASky, including data from @ESO, @MAST_News and from the Canadian Astronomy Data Centre #CADC youtu.be/uGDIDZo6yi0 #astronomy

Hello world! This twitter account will be sharing some of the weird and wonderful light curves from the SuperWASP Variable Stars Zooniverse project. You can get involved in classifying stars on @the_zooniverse ⬇️⬇️⬇️ 田径中心关于二青会田径项目赛风赛纪管理规定 - sports.cn:2021-5-9 · 2、使用文明语言，服装统一整洁，行为举止大方得体，待人真诚礼貌。 3、熟悉岗位职责，认真参加各项工作培训和赛前的工作联调，不断提高服务技能。 4、讲求工作效率，保证服务质量。第五条违反赛风赛纪有关规定的处罚：