solar system

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaedebunkingblack holesphysicsTVgravitational lensingVenusAbout the newsletterMoonAbout meimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
supernovaesupernovae
+7+7
Watch a supernova explosion sweep through space
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Watch a supernova explosion sweep through space

Animation shows X-rays from an exploded star as it expands over the decades

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+3+3
The most difficult planet Hubble’s ever seen
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The most difficult planet Hubble’s ever seen

In 1995 it slewed almost too close to the Sun

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
Can we detect rings around exoplanets?
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Can we detect rings around exoplanets?

Also, more evidence that Mercury may not be as dead as we thought

Philip Plait
Philip Plait
solar systemsolar system
+4+4
Europa’s ice is pretty thick

Europa’s ice is pretty thick

Also: a barred spiral galaxy more distant than expected

Philip Plait
Philip Plait
solar systemsolar system
+5+5
The planet that hit Earth to form the Moon was local! Plus, a dizzy asteroid
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The planet that hit Earth to form the Moon was local! Plus, a dizzy asteroid

Theia may have formed near Earth, and asteroid 2005 MN45 spins fast

Philip Plait
Philip Plait
solar systemsolar system
+4+4
A wee asteroid came VERY close to us last week

A wee asteroid came VERY close to us last week

Plus, Rubin is going to find a lot more

Philip Plait
Philip Plait
solar systemsolar system
+4+4
Asteroids from Venus pose an invisible — but uncertain — threat

Asteroids from Venus pose an invisible — but uncertain — threat

Bottom line: we need to look for them

Philip Plait
Philip Plait
solar systemsolar system
+2+2
Earth’s oldest crater found!

Earth’s oldest crater found!

It’s in Australia and it’s REALLY old

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Is the most distant star ever seen really a star at all?

Is the most distant star ever seen really a star at all?

Also, a new moon for Quaoar! Maybe!

Philip Plait
Philip Plait
exoplanetsexoplanets
+6+6
A new moon for Uranus, and a new planetary system in the Trifid?
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A new moon for Uranus, and a new planetary system in the Trifid?

Two VERY cool pix for you today

Philip Plait
Philip Plait
solar systemsolar system
+5+5
A portrait of our planet and moon from across the solar system

A portrait of our planet and moon from across the solar system

Psyche snaps Earth and Moon, I’m talking to teachers in Texas, and a newly discovered impact crater in India

Philip Plait
Philip Plait
solar systemsolar system
+3+3
Impeach RFK Jr.

Impeach RFK Jr.

Also, a jaunt through old issues of Scientific American in search of Neptune

Philip Plait
Philip Plait