Question
Arrange the following developments in remote sensing in chronological order.
A. Google Earth serves Digital-Globe and Landsat TM data.
B. SPOT1 launched.
C. ERTS-1 launched.
D. IRS-1C launched.
Choose the correct answer from the options given below:
The correct answer is
C, B, D, A
Remote Sensing Developments Chronology
To determine the correct chronological order, we establish the approximate dates for each development:
- C. ERTS-1 launched: July 1972 (This was the first Earth Resources Technology Satellite, later renamed Landsat 1).
- B. SPOT1 launched: October 1986 (Satellite Pour l'Observation de la Terre 1).
- D. IRS-1C launched: December 1995 (Indian Remote Sensing satellite 1C).
- A. Google Earth serves Digital-Globe and Landsat TM data: Circa 2005 (Google Earth was launched in June 2005, integrating various data sources).
Ordering Developments Chronologically
Arranging these events by date gives us the following sequence:
- C (1972)
- B (1986)
- D (1995)
- A (2005)
The resulting order is C, B, D, A.
Selecting the Correct Option
This chronological sequence (C, B, D, A) corresponds to option 4.
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Important Questions from Remote Sensing - Teaching
- Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R). Select your answer from the codes given below :
Assertion (A) : Remote sensing is defined as the science and art of acquiring data about earth's objects from a distance without physical contact.
Reason (R) : The collection of data is only conducted by means of remote sensors installed in aircraft and satellite.
Codes: - Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R). Select your answer from the codes given below :
Assertion (A): Change detection in remote sensing is the process of identifying differences in the state of an object or phenomenon
Reason (R) : The use of GIS facilitates for digital change detection
Codes: - Most suitable spectral region for studying Urban Heat Island (UHI) effect is :
- Delineation of water - nonwater boundary in remote sensing is best done using :
- DEM (Digital Elevation Model) is best represented using :
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