astronomers
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مقالات عامة
Astronomers can’t agree on how fast the universe is expanding. New approaches are aiming to break the impasse
مجلة المذنب نت متابعات عالمية: It is almost 100 years since scientists discovered the universe is expanding. In the decades…
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مقالات عامة
Astronomers just detected the biggest black hole jets ever seen – and named them Porphyrion
مجلة المذنب نت متابعات عالمية: The largest known black hole jets, 23 million light years across, have been discovered in…
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مقالات عامة
South African astronomers join forces with NASA to learn more about the dwarf planet
مجلة المذنب نت متابعات عالمية: When the International Astronomical Union announced in 2006 that Pluto was being demoted from its…
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مقالات عامة
Astronomers have warned against colonial practices in the space industry − a philosopher of science explains how the industry could explore other planets without exploiting them
مجلة المذنب نت متابعات عالمية: The past decade has seen a rapid expansion of the commercial space industry. Rival nations…
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مقالات عامة
How astronomers work out the size of the Solar System
مجلة المذنب نت متابعات عالمية: The size of the solar system is defined by the volume of space over which…
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مقالات عامة
A strange intermittent radio signal from space has astronomers puzzled
مجلة المذنب نت متابعات عالمية: When astronomers turn our radio telescopes out towards space, we sometimes detect sporadic bursts of…
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مقالات عامة
Why do astronomers look for signs of life on other planets based on what life is like on Earth?
مجلة المذنب نت متابعات عالمية: Curious Kids is a series for children of all ages. If you have a question…
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astronomers report potential candidates for alien megastructures – here’s what to make of it
مجلة المذنب نت متابعات عالمية: There are three ways to look for evidence of alien technological civilisations. One is to…
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مقالات عامة
For the Maya, solar eclipses were a sign of heavenly clashes − and their astronomers kept sophisticated records to predict them
مجلة المذنب نت متابعات عالمية: We live in a light-polluted world, where streetlamps, electronic ads and even backyard lighting block…
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مقالات عامة
20 years ago South Africa had 40 qualified astronomers – all white. How it’s opened space science and developed skills since then
مجلة المذنب نت متابعات عالمية: South African astronomy started an important journey two decades ago, when an initiative to attract…
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