Tools of Astronomy

Front

What is a refracting telescope?

Back

A refracting telescope is a type of telescope that uses lenses to bring visible light to a focus. It was the first type of telescope invented around the year 1600 and is also known as a refractor.

Front

What type of lenses does a refracting telescope use?

Back

A refracting telescope uses convex lenses to concentrate light from distant objects.

Front

What is a reflecting telescope?

Back

A reflecting telescope is a type of telescope that uses mirrors to focus light. It is different from a refracting telescope, which uses lenses.

Front

What is a satellite?

Back

A satellite is an object that revolves around another object in an orbit. The first artificial satellite was launched in 1957 by the former Soviet Union.

Front

What was the name of the spacecraft that Buzz Aldrin and Neil Armstrong landed on the moon in 1969?

Back

The spacecraft was called Apollo 11.

Front

What is the Hubble Space Telescope?

Back

The Hubble Space Telescope is a space telescope that has provided some of the most detailed images of distant galaxies and other astronomical phenomena.

Front

What is the purpose of a radio telescope?

Back

A radio telescope is used to detect radio waves emitted by celestial objects, allowing astronomers to study phenomena that are not visible in optical light.

Front

What is the difference between optical and non-optical telescopes?

Back

Optical telescopes use visible light to observe objects, while non-optical telescopes, such as radio telescopes and X-ray telescopes, use other forms of electromagnetic radiation.

Front

What is an example of a space probe?

Back

An example of a space probe is Voyager 1, which was launched to study the outer planets and is now in interstellar space.

Front

What is the significance of the year 1969 in space exploration?

Back

In 1969, humans first landed on the moon during the Apollo 11 mission.