Asteroids could teach us 'how life came to be on Earth'

An asteroid is expected to pass between the Earth and the moon this evening.

Although it will not hit Earth, it could hit one of its surrounding satellites.

Read: Asteroid to narrowly miss hitting Earth

Space journalist and Astrophysicist Sarah Cruddas told Daybreak that scientists knew very little about asteroids.

She said studying them can help provide a better understanding as to why we came to be here on the Earth.

Read: Scientists will study asteroid to prevent future threats

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Asteroid 'near-miss' with Earth

An asteroid big enough to flatten London has 'narrowly' missed the Earth on Friday night. Experts say it came as close as 17,200 miles to us.