Mars: August 27, 2003 (Annotated)
About This Image
About The Object
- Object Name
- Mars
- Object Description
- Planet
- Distance
- Distance from the Sun: The semi-major axis of Mars' orbit about the sun is 1.52 Astronomical Units (A.U.) or 142 million miles (228 million km); Distance from the Earth: At the 2003 closest approach, Mars was approximately 35 million miles (56 million kilometers) from Earth.
- Dimensions
- The planet has a diameter of 4,222 miles (6,794 kilometers) at the equator.
About The Data
- Data Description
- These data are taken from HST proposal 10065 by J. Bell (Cornell U.), M. Wolff (Space Science Institute), A. Lubenow (STScI), and K. Noll (STScI). Additional image processing and analysis support from: K. Noll and A. Lubenow (STScI); M. Hubbard (Cornell U.); R. Morris (NASA/JSC); P. James (U. Toledo); S. Lee (U. Colorado); and T. Clancy, B. Whitney and G. Videen (SSI); and Y. Shkuratov (Kharkov U.).
- Instrument
- HST>WFPC2
- Exposure Dates
- August 27, 2003
- Filters
- F410M (B), F502N (V), and F673N (R)
About The Object
- Object Name
- A name or catalog number that astronomers use to identify an astronomical object.
- Object Description
- The type of astronomical object.
- Distance
- The physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
- Dimensions
- The physical size of the object or the apparent angle it subtends on the sky.
About The Data
- Data Description
- Proposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
- Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
- Instrument
- The science instrument used to produce the data.
- Exposure Dates
- The date(s) that the telescope made its observations and the total exposure time.
- Filters
- The camera filters that were used in the science observations.
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