Astronomy Archive

A meteor shower was observed during last night

A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth’s atmosphere at extremely high speeds on parallel trajectories. Most meteors are smaller than a grain of sand, so almost …

Bringing samples back is a considerable challenge

How can we bring a sample of Mars safely back to Earth? With scientists worldwide curious about the Red Planet’s potential for life, NASA and the European Space Agency are working on a future “sample-return” mission to safely study Mars materials. One possible location for sample hunting could be a Martian spot called Jezero Crater, the …