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SCIENCE & TECHNOLOGY - December 2018

Dec 2018

Feb 14, 2020

Saltwater May Form on Mars Annually: Study

  • According to a study, salt water may form on the surface of Mars for a few days annually. Researchers at the Planetary Science Institute in the US noted that liquid water is difficult to come by on the Red Planet, because ice rapidly dissipates into the atmosphere long before it reaches its melting point. This is because the atmospheric pressure on Mars lies near the triple point pressure of water molecules (H2O), the minimum pressure necessary for liquid water to exist.

Feb 12, 2020

Europe's Mars Rover Heads for Fit Checks

  • Europe's Mars rover, "Rosalind Franklin", is on the move again.
  • The robot has just completed environmental testing at the Airbus factory in Toulouse, France, and is now going east to another aerospace facility run by Thales Alenia Space.
  • It's on the French Riviera, in Cannes, that the vehicle will join the hardware that will carry it to the Red Planet and put it safely on the surface.
  • Once this integration is complete, the rover can then go for launch.
  • Rosalind Franklin is due to leave Earth in July or August this year on a Proton rocket, arriving at Mars in March 2021.
  • The six-wheeled robot is equipped with scientific instruments designed to look for signs of life.
  • The project is a joint venture of the European Space Agency (Esa) and its Russian counterpart, Roscosmos.

Feb 11, 2020

NASA, ESA set to send Solar Orbiter probe to map Sun's poles

  • NASA and the European Space Agency (ESA) are gearing up to send a new probe toward the Sun to take a unique look at its blazing poles, an unprecedented view expected to help researchers grasp how the star's vast bubble of energy affects Earth and humans in space.
  • The Solar Orbiter is due launch to space atop an Atlas 5 rocket from Cape Canaveral, Florida on February 9 at 11:03 p.m. ET (0403 GMT February 10), deploying an array of solar panels and antennas before setting off on its 10-year voyage to the Sun.
  • Using the gravitational influence from Earth and Venus to whip itself as close as 26 million miles from the Sun or 95% of the distance between the star and Earth the probe will map the star's poles, which could allow scientists for the first time to observe the concentrated source of solar wind that permeates our solar system.

Iran Space Program Fails to Launch Satellite Into Orbit

  • An Iranian rocket failed to put a satellite into orbit on Sunday, state television reported, the latest setback for a program the U.S. claims helps Tehran advance its ballistic missile program.
  • The launch happened at 7:15 p.m. local time at Imam Khomeini Spaceport in Iran's Semnan province, some 230 kilometers (145 miles) southeast of Iran's capital, Tehran. A Simorgh, or "Phoenix," rocket couldn't put the Zafar 1 communications satellite into orbit, however, due to a low speed, Iranian state TV reported.

Feb 10, 2020

Satellite Fails to Reach Orbit

  • As per reports, Iran launched a domestically made satellite but it failed to reach orbit.
  • It was launched with success and we have reached most our aims, but the "Zafar" satellite did not reach orbit as planned.
  • The launch was the latest in a programme which the United States says helps Tehran advance its ballistic missile technology. 

Feb 09, 2020

London Start-up Launches First Big Batch of Satellites

  • The UK-based OneWeb company sent 34 satellites into orbit on a single Soyuz rocket from Baikonur in Kazakhstan.
  • The start-up is building a mega-constellation in the sky to deliver broadband internet to all corners of the globe.
  • Six spacecraft were lofted in 2019 to prove the technology, but this year will see big batches of platforms going up on a near monthly basis.
  • The aim is to have the full network in operation by the end of 2021.
  • OneWeb is in a race with a number of other companies that want to provide the same kind of service.
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