Which is the biggest star in the Universe: UY Scuti
The longest day on earth is observed on: 21 May
The sunlight can reach a depth of ____ meters in the ocean: 200
The ozone layer protects the Earth from harmful ___ radiations from the Sun: Ultraviolet
The communication satellites are placed in: Geostationary Orbit
The Solar eclipse of December 2019 in Pakistan was named: Ring of Fire
Which planet in the Solar system has the highest density: Earth
ISA is the space agency of which country: Iran
Which planet appears to be more volcanically active than previously thought: Venus
