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Chris Impey

Chris Impey

Salon

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The Mars Sample Return mission has a shaky future. NASA is calling on private companies for backup

  The mission would be the first to try to return rock samples from Mars to Earth so scientists can analyze them for signs of past life. NASA...

03.05.2024 10

Salon

Chris Impey

The Mars Sample Return mission has a shaky future, and NASA is calling on private companies for backup

A critical NASA mission in the search for life beyond Earth, Mars Sample Return, is in trouble. Its budget has ballooned from US$5 billion to over $11...

25.04.2024 30

The Conversation

Chris Impey

Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium...

29.03.2024 5

The Conversation

Chris Impey

Orbital resonance − the striking gravitational dance done by planets with aligning orbits

Planets orbit their parent stars while separated by enormous distances – in our solar system, planets are like grains of sand in a region the size...

06.02.2024 20

Salon

Chris Impey

Orbital resonance − the striking gravitational dance done by planets with aligning orbits

Planets orbit their parent stars while separated by enormous distances – in our solar system, planets are like grains of sand in a region the size...

02.02.2024 10

The Conversation

Chris Impey

Why isn't there any sound in space? An astronomer explains why in space no one can hear you scream

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...

04.12.2023 6

The Conversation

Chris Impey

Space rocks and asteroid dust are pricey, but these aren't the most expensive materials used in science

After a journey of seven years and nearly 4 billion miles, NASA’s OSIRIS-REx spacecraft landed gently in the Utah desert on the morning of Sept. 24,...

24.10.2023 20

The Conversation

Chris Impey

NASA report finds no evidence that UFOs are extraterrestrial

NASA's independent study team released its highly anticipated report on UFOs on Sept. 14, 2023. In part to move beyond the stigma often attached to...

19.09.2023 1

Salon

Chris Impey

NASA report finds no evidence that UFOs are extraterrestrial

NASA’s independent study team released its highly anticipated report on UFOs on Sept. 14, 2023. In part to move beyond the stigma often attached to...

15.09.2023 3

The Conversation

Chris Impey

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