A supernova is a star’s colossal explosion at the end of its life, potentially outshining its entire galaxy. Read about the causes and types of supernovae here. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-supernova…
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The International Space Station is 20 and going strong
20 years ago, three astronauts stepped aboard the ISS. It’s since hosted residents from many countries, creating humanity’s first history of living in space. Source: https://earthsky.org/space/20-years-iss-what-its-future-holds-nov-2-2020…
How Jupiter’s moon Io gets its hellish atmosphere
Hot, active volcanoes produce almost half of Jupiter’s moon Io’s sulfur atmosphere, according to new observations using the ALMA telescope. The rest comes from cold sulfur deposits that freeze on the surface, then sublimate in sunlight. Source: https://earthsky.org/space/io-sulfur-volcanoes-hot-so2-cold-so2…
SpaceX Starship as a trash collector in Earth orbit?
SpaceX Starship’s many tasks may include launching humans into space, carrying satellites into orbit and — perhaps — removing troublesome pieces of space debris. Source: https://earthsky.org/space/spacex-starship-clean-up-space-junk…
2020 Antarctic ozone hole among largest, deepest in recent years
This year’s ozone hole covers most of the Antarctic continent and is among the largest and deepest in recent years. Source: https://earthsky.org/earth/antarctic-ozone-hole-2020-among-largest-deepest-in-recent-years…
The Yarkovsky effect: Pushing asteroids around with sunlight
The Yarkovsky effect is a minuscule push on a small body in space, imparted by nothing more than sunlight. Source: https://earthsky.org/astronomy-essentials/the-yarkovsky-effect-pushing-asteroids-around-with-sunlight…
Here are 3 amazing feats of spiders
Halloween time is spider time. Three amazing spider skills you might not have known about. Source: https://earthsky.org/earth/three-amazing-feats-of-spiders…
Paul Bogard on why we need darkness
Light at night may be a sign of life on Earth, but the darkness will proclaim our true intelligence. Check out this video on why we need darkness, from Paul Bogard. Source: https://earthsky.org/astronomy-essentials/paul-bogard-on-why-we-need-darkness…
The magnetic fields of a jellyfish galaxy
New work reveals the intricate relationship between so-called jellyfish galaxies, and the magnetic environment through which they move. Source: https://earthsky.org/space/magnetic-fields-jellyfish-galaxy-jo206…
What astronauts think about life away from Earth
Axiom is an aerospace company making new possibilities accessible to humanity. Watch as astronauts retell their experience launching from Earth and living in space. Source: https://earthsky.org/space/axiom-video-roundtable-astronauts-talk-about-being-in-space…