Protoplanetary Disks Throw Out More Material Than Gets Turned Into Planets

3 years ago

When a young solar system gets going it's little more than a young star and a rotating disk of debris.…

Space Continues to be Hard. Firefly’s Alpha Rocket Detonates Shortly After Launch

3 years ago

Rocket science is hard.  So far, no commercial rocket launch company has ever successfully gotten to orbit on the first…

Ground-Based Observatories Could use Starshades to see Planets too

3 years ago

All hail the occulter: an orbiting starshade for ground-based telescopes. (more…)

This is a 3D-Printed Steel Floor Prototype for a Lunar Habitat

3 years ago

The ESA's has unveiled a key piece of their proposed lunar habitat, a 3D-printed steel floor frame.

NASA has too Many Spacecraft to Communicate With. Time to Build More Dishes

3 years ago

NASA is a sprawling organization that has to talk to everything from politicians in Washington DC to space probes that…

Pencil December 18th (tentatively) into your calendar. That’s when James Webb probably launches

3 years ago

You may have heard this one before, but encouraging news comes from NASA, ESA, and Arianespace today:  they are now…

What Formed the Strange Troughs on Vesta?

3 years ago

New research suggests that the humble asteroid Vesta may have cracked open like an egg. (more…)

A Flurry of Fall Binocular Comets

3 years ago

Fall 2021 offers up an all-night parade of challenging telescopic comets.

There are Natural Features on Mars That Could Serve as Radiation Shelters

3 years ago

Mars is bombarded with radiation. Without a protective magnetic shield and a thick atmosphere like Earth's, radiation from space has…

A Black Hole or Neutron Star Fell Into Another Star and Triggered a Supernova

3 years ago

What happens when you slam a neutron star (or black hole, take your pick) into a companion star? A supernova,…