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Paul M. Sutter is an astrophysicist at The Ohio State University, host of “Ask a Spaceman“ and “Space Radio,” and author of “Your Place in the Universe” (Prometheus Books, 2018). Sutter contributed this article to Space.com’s Expert Voices: Op-Ed & Insights. There aren’t a lot of guarantees in life, and there are even fewer in space. Everything is moving; … Read more
Earth has officially been joined in its orbit around the Sun by a new trojan asteroid. Named 2020 XL5, this chunk of rock is only the second object of its type ever to have been conclusively identified. Its discovery suggests that perhaps Earth trojans may be more common than we knew, and offers new insights … Read more
The James Webb Space Telescope has fired its thrusters and reached its orbital destination around a million miles (1.5 million kilometers) away from our planet, NASA said Monday, a key milestone on its mission to study cosmic history. At around 2:00 pm Eastern Time (1900 GMT), the observatory fired its thrusters for 5 minutes … Read more
We can all let out a collective sigh of relief. With its primary mirror array fully unfolded, the major components of the beleaguered James Webb Space Telescope are now deployed, and it continues to calmly make its way to its destination. The deployment, completed on 8 January 2022, marks a pretty important milestone for … Read more
NASA’s James Webb Space Telescope will travel to a special spot where the gravity from Earth and the sun is balanced Credit: Matthew Twombly Advertisement The most ambitious space telescope built to date is about to start peering at the universe through infrared eyes. The $10-billion James Webb Space Telescope (JWST) is designed to see … Read more