Solar system'

Solar system'

Solar Home Systems save 4bn litres of kerosene: WB

Solar Home Systems save 4bn litres of kerosene: WB

The state-owned programme helped lighted more than 4.1 million households in 15 years

NASA's Voyager spacecraft in space is shown in this artist's rendering obtained from NASA in Washington, DC, US, December 10, 2018/ NASA handout via Reuters

NASA probe provides insight on solar system's border with interstellar space