Satellites and spacecraft in the vast region between Earth and the moon and just beyond—called cislunar space—are crucial for ...

Maths questions often start with the command words 'Calculate...' or 'Determine...'. They will then have a blank space for you to show your working. It is important that you show your working; don't ...

CBSE 2026 Competency Based Questions With Answers: The Central Board of Secondary Education (CBSE) has increased the weightage of competency-based questions in the Class 10 Board Examination to 50%.

Seismometers — equipment designed to pinpoint earthquakes — are now being used to track the thousands of pieces of human-made objects abandoned in Earth’s orbit. Some of those items pose a risk to ...

On Feb. 4, 1995, astronauts aboard the space shuttle Discovery launched an itty bitty satellite called an Orbital Debris Calibration Sphere into orbit around the Earth. When you purchase through links ...

Try these quizzes based on GCSE geography past papers. By working your way through the geography questions created by experts, you can prepare for your geography exams and make your revision more ...

A way of accurately tracking potentially deadly space junk as it falls to Earth has been devised. Seismometers usually used to detect earthquake activity can pinpoint sounds of space debris entering ...

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Abstract: High Altitude Pseudo-Satellites (HAPS) are fixed wing, heavier-than-air solar electric aircraft that operate continuously for multiple months in the stratosphere. They are energy ...