lagrange point
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Astronomers Confirm a Second Trojan Asteroid Loitering in Earth’s Orbit
In December 2020, astronomers stumbled upon an object that seemed to be travelling a bit ahead of us in our orbit around the Sun, but they weren’t entirely sure. New observations now confirm this suspicion, revealing the asteroid to be just the second known Earth Trojan.
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Here’s What’s Next for the Webb Space Telescope as It Hurtles Toward Deep Space
The Webb Space Telescope left Earth safe and sound on Christmas morning, and astronomers across the world breathed a sigh of relief. But the weeks ahead contain a series of hurdles that must be cleared for the $US10 billion ($14 billion) telescope to begin its scientific duties. On Monday night, Webb officially passed the orbital…