Friday, March 18, 2022

Icy, Earth-Like Worlds May Be Rare

03/18/2022

NEWS & FEATURES

Icy, Earth-like worlds may be rare
MarcelClemens/Shutterstock

Hundreds of thousands of simulations show few possible exoplanets with climate conditions like ours.

Eclipse Globe 
Explore the Moon at First Quarter
NASA’s Scientific Visualization Studio

If you’re just starting out, our natural satellite makes a tempting target in the evening sky.

How drones found the meteorite that lit up the Australian night sky
Lemonsoup14/Shutterstock

Finding meteorites after they shoot across the night sky is notoriously difficult. Now astronomers have done it for the first time using drones and machine vision algorithms.

A new idea for how dark matter came to dominate the universe
NASA/JPL-Caltech

A new paper hypothesizes how the amount of dark matter could have grown exponentially in the early universe.

Ask Astro: Does dark matter fall into black holes?
NASA/JPL-Caltech

Do black holes and dark matter interact gravitationally? Does dark matter fall into black holes?

OBSERVING

The sky this week
Karen Thompson (Flickr)

Your daily digest of celestial events coming soon to a sky near you.

PICTURE OF THE DAY

Heart of the heart
Alex Roberts from Williamson, Arizona

At the center of the Heart Nebula (IC 1805) lies the star cluster Melotte 15, which illuminates the gas that surrounds it and these tendrils of dust. Together with the Soul Nebula (IC 1848), they lie roughly 7,500 light-years away in Cassiopeia.

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