Galaxy Used as Cosmic Telescope to Peer Back in Time
With a groundbreaking technique, astronomers have used a galaxy as a gravitational lens to backlight two hydrogen clouds, peering back 11 billion light-years at our early universe. Plus, volcano water on the Moon, a quadruple star system, and this week’s What’s Up takes a careful look at the Sun.
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Missing Black Hole Continues to Mystify Scientists
A massive black hole should be in the galaxy cluster Abell 2261. Observations with Chandra and Hubble haven’t located it. Plus, classifying supernovae with AI, neutron stars, the lithium composition problem, and more planetary science.
Current Neptunian Storm Reverses Direction and Sheds Fragment
Scientists using Hubble to track storms on Neptune found that a current storm has reversed direction and possibly shed a fragment. Plus, an update on Hayabusa2’s sample return, a non-technological radio emission from an exoplanet, This Week in Sky Watching, and more!
Rocket Roundup for December 16, 2020
Join us for this week’s Rocket Roundup with host Annie Wilson as we look back at the launches that happened from the past week, including a Chinese Long March 11, the SpaceX SN8 flight test, a ULA classified launch, a SpaceX Falcon 9, and a Russian Angara A5.
Strange Exoplanet Could Be Similar to Theoretical Planet 9
HD 106906 b is an exoplanet 336 light-years away, 11 times the size of Jupiter, and possibly an analog of our own not-yet-discovered Planet 9. Plus, a large body of water ice has been discovered on Mars, and we interview lead author Dan Berman of the Planetary Science Institute. Also included, stories on Jupiter, Uranus’s moons, a young galaxy, and how space weather impacts habitability.
Finding Primordial Ripples Using Gravitational Waves
Scientists have found a method to use gravitational waves for understanding the early universe. Plus, an exoplanet with no atmosphere, spiders in space (CW), citizen science, and X-ray bubbles in the Milky Way. And the first of our new weekly segment: This Week in Sky Watching.
Rocket Roundup for December 9, 2020
Join us for this week’s Rocket Roundup with host Annie Wilson as we look back at the launches that happened from the past week, including a Soyuz, a Long March 3B, and a Falcon 9.