ISRO Missions and Discoveries

ASTROSAT Satellite

Note4Students

From UPSC perspective, the following things are important :

Prelims level : ASTROSAT; Space missions of ISRO and NASA

Mains level : NA

ASTROSAT, India’s first multi-wavelength satellite observatory, has detected an extreme ultraviolet (UV) light from a galaxy which is 9.3 billion light-years away from Earth.

Try out:

 

Consider the following statements regarding the AstroSat:

1)AstroSat is India’s multi-wavelength space telescope.
2)ASTROSAT mission is that enables the simultaneous multi-wavelength observations of various astronomical objects with a single satellite.
3)ASTROSAT observes the universe in the optical and high energy X-ray regions of the electromagnetic spectrum.

Which of the following above statements is true?

a.1 and 2
b.2 and 3
c.1 and 3
d.1, 2 and 3

AUDFs01

  • AstroSat has detected extreme-UV light from a galaxy, called AUDFs01, 9.3 billion light-years away from Earth.
  • The galaxy is located in the Hubble Extreme Deep field, through AstroSat.
  • This is a very important clue to how the dark ages of the universe ended and there was light in the universe.

About ASTROSAT

  • AstroSat is India’s first dedicated multi-wavelength space telescope. It was launched on a PSLV-XL on 28 September 2015.

It is the first dedicated Indian astronomy mission aimed at studying celestial sources in X-ray, optical and UV spectral bands simultaneously.

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ISRO Missions and Discoveries

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