English - Ch. 17: Inventions

James Webb Space Telescope

The largest telescope in the world in space that is 1.5 million km away from the earth.

Sudip Sen

Author of the text.

Informative Essay

An essay that tells us about a specific topic or subject.

James E. Webb

Former NASA administrator.

Galileo Galilei

An Italian astronomer who invented the first telescope in 1609.

Space Telescope

A telescope placed in space to observe cosmic bodies without disturbance from Earth’s atmosphere.

Infrared Light

A type of light invisible to the human eye that allows the telescope to see through dust clouds in space.

NASA

National Aeronautics and Space Administration.

ESA

European Space Agency.

CSA

Canadian Space Agency.

Second Lagrangian Point (L2)

A point in space about 1.5 million km from Earth where the James Webb Space Telescope is placed.

French Guiana

The location from where the James Webb Space Telescope was launched.

Ariane 5

The rocket which was used to transport the James Webb Telescope to Space using the European Spaceport.

Sunshield

A shield the size of a tennis court that protects the telescope from the sun’s heat and light.

Hubble Space Telescope

An earlier space telescope that orbits Earth.

WASP-96 b

A planet outside our solar system discovered by the James Webb Space Telescope that has water in its atmosphere.