Researchers Alex Meshik and Morgan Nunn Martinez collect a meteorite in Antarctica’s Miller Range during the 2013-2014 Antarctic Search for Meteorites program field season. (NASA/JSC/ANSMET photo)

‘Watch for falling rocks’ takes on new meaning at Nanaimo astronomy meeting

Nov. 28 talk focuses on meteorites, where they’re from, where to find them and why they’re important

Chicken Little might have been wrong about the sky falling, but every so often chunks do fall from the sky.

Meteorites, pieces of rocky material from space that make it to the Earth’s surface were, once upon a time, confused with worked flint arrowheads and spearheads, turned up by farmers’ plows in Europe and Asia. They were called thunderstones, the tips of thunderbolts that fell from the sky during storms.

Folklore gave way to science and it’s long been known that meteorites are pieces of asteroids or planetary debris that have crossed paths with Earth’s trajectory through space and survived the extreme heat caused by the friction of passing through Earth’s atmosphere to land on the planet surface. Since meteorites are delivered free of charge by nature, they are an inexpensive way to explore space, or at least the composition of neighbouring bodies in the Solar System.

At Nanaimo Astronomy Society’s November meeting, society members Bill Weller –retired Vancouver Island University’s professor in the physics, engineering and astronomy department, who has worked as an instrumentation scientist at observatories in Arizona and Chile – and Janeane MacGillivray, society director, will explain the reasons for hunting, collecting and studying meteorites and how they help scientists understand how the Solar System originated and developed.

It’s possible that pieces of fallen space rock and dust might even have seeded life on Earth, researchers say. Meteorites, such as the Tagish Lake carbonaceous chondrite meteorite that fell in northern B.C. in 2000 is particularly important to researchers because it contains organic matter, nanodiamonds and water.

Weller and MacGillivray will explain what makes meteorites different from Earth rocks, how scientists can tell where meteorites came from, such as the moon or Mars, and how they can be found anywhere by professional and amateur meteorite hunters who know how to look for them.

The society’s meteorite collection will be included in the presentation and Weller and MacGillvray will also run down checklists for identifying meteorites in the field.

The meteorite main presentation will follow short talk by society members Mary and Rich Ulrich about Biosphere 2, an experimental habitat in Arizona that operated from 1987 to 1994 that was the first real scientific attempt to provide baseline data for designing long-term human life support systems for space travel. Their talk will finish with a discussion about the conclusion of the experiment, its pitfalls, lessons learned and the innovations and human interactions from living in a closed system.

The meeting takes place Thursday, Nov. 28, at 7 p.m. at the Beban Park social centre.
Like us on
Facebook and follow us on Twitter

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

LETTERS TO THE EDITOR: Improved health and social services needed

It’s imperative that the root systemic causes of homelessness are addressed, say letter writers

Province providing financing to help get apartments built in Nanaimo’s Wellington area

120 apartments on Ledgerwood Road intended to be affordable for ‘middle-income’ households

‘Someone knows something’: a look into Vancouver Island missing persons with interactive map

There are more than three dozen people listed as missing throughout Vancouver Island

Regional District of Nanaimo to start delivering new garbage carts

Updated automated curbside collection service set to get underway Oct. 1

Nanaimo RCMP want speeding motorists to ‘slow the blazes down’

Police raise alarm after seeing 400-per cent rise in excessive speeding tickets last month

Islanders want BC Ferries to follow order that lets residents board before tourists

For ferry-dependent communities, ferries are often the sole practical lifeline to work, school or medical appointments.

Departure Bay ferry capacity increases to 70%, says B.C. Ferries

Fifty-per-cent limit being phased out, B.C. Ferries has no current plans to provide masks

Beverly Hills 90210 star’s family selling Vancouver Island Beach Resort

You can own Jason Priestley’s Terrace Beach Resort in Ucluelet for less than $5 million

Outreach team making connections with young people experiencing homelessness in Nanaimo

Nanaimo Aboriginal Centre youth advisory council initiative offers ‘no-barrier’ help downtown

Genetic detectives begin work to trace spread of COVID-19 in Canada

The kinds of genetic technology being used for this project did not exist when SARS hit Canada in 2003

Sports fishers protest Fraser River Chinook closures

Public Fishery Alliance wants hatchery fish open for harvest

Shellfish industry get funds to clean up at Island sites and beyond

Businesses can apply to cover half of costs to clean up so-called ‘ghost gear’

Amber Alert for two Quebec girls cancelled after bodies found

Romy Carpentier, 6, Norah Carpentier, 11, and their father, Martin Carpentier, missing since Wednesday

Most Read