Space telescopes

“Space telescopes” offer a fascinating topic for ESL learners, like yourself, as they combine cutting-edge science with stunning visuals. This topic provides opportunities for discussions on human curiosity, scientific discovery, and international cooperation. Today’s vocabulary words have the power to inspire creative writing and presentations, encouraging you to imagine the future of space exploration and its potential impact on humanity. Let’s jump right in!

In today’s lesson, you’re going to have:

• 5 advanced English vocabulary words about Space telescopes.

• 15 examples of phrases that you can use on a daily basis.

• Eye-catching images will help you learn and retain the vocabulary.

1. Black Hole

📚 DEFINITION

A region of spacetime where gravity is so strong that nothing, no particle or even light, can escape from it.

📄 Example Sentences:

1. Black holes are incredibly dense objects.

2. The event horizon marks the boundary of a black hole.

3. Scientists study black holes to understand the nature of gravity.

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2. Supernova

📚 DEFINITION

A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.

📄 Example Sentences:

1. A supernova can outshine an entire galaxy.

2. Supernovae are powerful events that can trigger star formation.

3. The remnants of a supernova can form neutron stars or black holes.

3. Nebula

📚 DEFINITION

A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.

📄 Example Sentences:

1. The Orion Nebula is a famous stellar nursery.

2. Nebulae are often the birthplaces of stars.

3. Nebulae can be observed through telescopes.

4. Light-Year

📚 DEFINITION

A unit of length equal to the distance that light travels in one year.

📄 Example Sentences:

1. Proxima Centauri, the nearest star to the Sun, is about 4.24 light-years away.

2. Light-years are used to measure vast distances in space.

3. A light-year is approximately 9.46 trillion kilometers.

5. Spectroscopy

📚 DEFINITION

The identification of substances by means of the spectra they produce.

📄 Example Sentences:

1. Spectroscopy is used to analyze the composition of stars and galaxies.

2. Astronomers use spectroscopy to measure the redshift of distant objects.

3. Spectroscopy can reveal information about the temperature, density, and chemical composition of celestial objects.

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✔️ Audio file version for each vocabulary
✔️ 25+ English PDFs each month

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