A small asteroid crashed into Earth three years ag...

Question

A small asteroid crashed into Earth three years ago-and now scientists know where it came from. Researchers have traced the origins of the resulting rare meteorite fragments, which began the journey to Earth some 23 million years ago.

The asteroid, called 2018 LA, shot across the sky like a fireball before landing in Botswana on June 2, 2018. Researchers subsequently recovered 23 meteorites from the Central Kalahari Game Reserve, a huge area known for its diverse wildlife.

"The meteorite is named 'Motopi Pan' after a local watering hole," Mohutsiwa Gabadirwe, the senior curator of the Botswana Geoscience Institute, said in a statement, referring to the first sample they found. "This meteorite is a national treasure of Botswana."

Scientists first spotted the asteroid using the University of Arizona's Catalina Sky Survey, which tracks asteroids as part of NASA's Planetary Defense program. It marked just the second time scientists have been able to study an asteroid in space before it reaches Earth - typically, they don't know about them until after it's happened.

At the time, the asteroid was estimated to be

about 6 feet across-small enough to safely break apart in Earth's atmosphere. It arrived at the fast speed of 38,000 miles per hour, according to NASA.

"This is only the second time we have spotted an asteroid in space before it hit Earth over land," said Jenniskens. "The first was asteroid 2008 TC3 in Sudan ten years earlier."

Adopted from: https://web.archive.org/web/20210501053103/https://www.cbsnews.com/news/asteroid-2018-botswana-origins/ (April 30, 2021)

"... typically, they don't know about them until after it's happened." (Paragraph 4)
What does the word 'they' refer to?

A. Scientists
B. Meteorites
C. Asteroids
D. Devices
E. Programs

Y. Widya · Accepted Answer

Jawaban:
A. Scientists

Hi Novita,
Perintah soal ini adalah mencari rujukan dari kata 'they' pada kalimat yang disebutkan.

Kalimat yang dimaksud adalah "It marked just the second time scientists have been able to study an asteroid in space before it reaches Earth - typically, they don't know about them until after it's happened." (Ini menandai kedua kalinya para ilmuwan dapat mempelajari asteroid di luar angkasa sebelum mencapai Bumi - biasanya, mereka tidak mengetahuinya sampai setelah itu terjadi.)

Makna pilihan jawaban yang tersedia:
A. Scientists (Ilmuwan)
B. Meteorites (Meteorit)
C. Asteroids (Asteroid)
D. Devices (Perangkat)
E. Programs (Program)

Berdasarkan makna kalimat tersebut, kata 'they' merujuk pada "para ilmuwan" yang mempelajari asteroid tersebut. Jadi, jawaban yang benar adalah A. Scientists.

Terima kasih telah menggunakan Roboguru, tetap semangat belajar ya.

Mau pemahaman lebih dalam untuk soal ini?

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