No. A photographic enlargement only appears to show more detail than a 9-by-9 inch photograph. Photographic resolution (or image resolution) deteriorates with each enlargement factor.
Landsat 8 carries two push-broom instruments: the Operational Land Imager (OLI), and the Thermal Infrared Sensor (TIRS) “Push-broom” refers to the one-way motion of the sensor, as opposed to a back-and-forth motion.
A dot per inch (dpi) and pixel per inch (ppi) is a measure of the sharpness on a display screen or printed image. The dot pitch determines the absolute limit of the possible dots per inch or pixel per inch.
Landsat 7 ETM+ SLC-off data refers to all Landsat 7 images collected after May 31, 2003, when the Scan Line Corrector (SLC) failed.
The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.
Remote sensing is the process of detecting and monitoring the physical characteristics of an area by measuring its reflected and emitted radiation at a distance from the targeted area.
The majority of USGS aircraft photography is used for cartographic purposes. Image distortion is minimized when photographs are acquired looking straight down or vertically. 
LandsatLook images are full-resolution .jpeg files that are included as options when downloading Landsat data from EarthExplorer, GloVis, or via the