While scientists have managed to recover and examine thousands of meteorites, finding their origin or even whether they are from icy comets or rocky asteroids has proved elusive. Now, for the first time, a team of international researchers has traced the source of a boulder-sized rock that landed in Botswana to an asteroid named Vesta. Boasting a diameter of about 300 miles, it is one of the largest and brightest rocks in the asteroid belt that circles the sun between Jupiter and Mars.
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space rock originated from the
asteroid belt.
Scientists estimate the asteroid s journey across the solar system took nearly 23 million years.
In the early hours of June 2, 2018, astronomers at the University of Arizona saw a faint dot of light moving across the sky.
It was an asteroid, which loomed larger and larger as it approached Earth. A few hours later, the 6-foot-wide space rock - named 2018 LA - caught fire as it roared through the atmosphere at a blistering 38,000 miles per hour. It broke into tiny fragments that rained down across Botswana.
A group of researchers raced to the end of that fireball s path to hunt for the rare fragments, since they held clues about the asteroid s origins.
Welcome to Wonder Theory, your weekly space and science digest. This week, we remember Apollo 11 Command Module Pilot Michael Collins, celebrate the discovery of a fluorescent amphibian, learn the fate of baby mammoths, and more.
The researchers say the “self-view” display may be to blame for that exhausted feeling after a day of back-to-back online meetings.
The research shows that overall, one in seven women 13.8% compared with one in 20 men 5.5% reported feeling “very” to “extremely” fatigued after Zoom calls.
These new findings build on a paper the same researchers recently published in the journal
Technology, Mind and Behavior that explored why people might feel exhausted following video conference calls. Now, they have the data to show who is feeling the strain. For their follow-up study, the researchers surveyed 10,322 participants in February and March using their “Zoom Exhaustion and Fatigue Scale” to better understand the individual differences of burnout from the extended use of video conferencing technologies during the past year.