Context

• An international team of scientists led by the Physical Research Laboratory (PRL), Ahmedabad, has discovered an exoplanet named ‘TOI-6651b’, outside our solar system. is five times bigger and 60 times heavier than the Earth.

Features:

• Five times bigger and 60 times heavier than the Earth.
• Location: 690 light years (distance travelled by light in 1 year) away from the Sun. 
• Exoplanet: An exoplanet is a planet that orbits a star outside of our solar system.
• Planets of Solar System:

Mercury:

• Closest to the Sun
• Smallest planet
• Extremely hot surface during the day, extremely cold at night
• No atmosphere
• Covered in craters

Venus:

• Second closest to the Sun
• Hottest planet due to a runaway greenhouse effect
• Thick atmosphere of carbon dioxide
• Retrograde rotation (rotates clockwise)
• Often called Earth's "sister planet" due to similar size and density

Earth:

• Third planet from the Sun
• Only planet known to support life
• Abundant liquid water
• Significant atmosphere with oxygen
• Active geological processes (volcanoes, earthquakes)

Mars:

• Fourth planet from the Sun
• Cold, desert-like planet with a thin atmosphere
• Has two moons (Phobos and Deimos)
• Evidence of past water flow
• Large volcanoes, including Olympus Mons (the largest in the solar system)

Jupiter:

• Fifth planet from the Sun
• Largest planet in the solar system
• Mostly composed of hydrogen and helium
• Great Red Spot (a giant storm)
• Has many moons, including the largest moon in the solar system, Ganymede

Saturn:

• Sixth planet from the Sun
• Known for its prominent rings made of ice and rock particles
• Second-largest planet
• Mostly composed of hydrogen and helium
• Has many moons, including Titan (the only moon with a thick atmosphere)

Uranus:

• Seventh planet from the Sun
• Ice giant
• Rotates on its side
• Has a faint ring system
• Has many moons

Neptune:

• Eighth and farthest planet from the Sun
• Ice giant
• Strongest winds in the solar system
• Has a faint ring system
•  Has many moons, including Triton (geologically active)