Launch delay for Nasa’s planet-hunting spacecraft  4/16/2018 8:39:13 PM 

Nasa’s newest planet-hunting spacecraft will have to wait another two days before lifting off.

Two hours before Monday evening’s scheduled lift-off, SpaceX announced it was delaying the launch for additional rocket analysis.

The next attempt will be Wednesday.

This evening, we will launch our latest planet hunter, @NASA_TESS, for a two-year mission to search the skies for planets outside our solar system. Starting at 1pm ET, our experts will answer your questions during a Science @reddit_AMA:

— NASA (@NASA) April 16, 2018

The satellite known as Tess will survey almost the entire sky, staring at the brightest, closest stars in an effort to find any planets that might be encircling them.

These mysterious worlds beyond our solar system, called exoplanets, could harbour life.

Scientists expect Tess to discover thousands of rocky and icy planets and gas giants, maybe even water worlds and places defying imagination.

Bigger and more powerful observatories of the future will scrutinise these prime candidates for potential signs of life.

The name Tess is short for Transiting Exoplanet Survey Satellite.

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