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binary starsbinary stars
+1+1
Is Betelgeuse a binary star? The evidence is piling up
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Is Betelgeuse a binary star? The evidence is piling up

The second star may be leaving a wake behind it as it orbits

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
A black hole’s one-fifth lightspeed belch, and JWST finds a lava planet with an atmosphere

A black hole’s one-fifth lightspeed belch, and JWST finds a lava planet with an atmosphere

An incredibly fast wind from a black hole, and a super-hot super-Earth may have a broiling atmosphere, too

Philip Plait
Philip Plait
MarsMars
+2+2
Red Planet special: HiRISE’s 100,000th image, and Martian crepuscular rays

Red Planet special: HiRISE’s 100,000th image, and Martian crepuscular rays

Big milestone for a Mars mission, and a weirdly familiar sight in the Martian sky

Philip Plait
Philip Plait
supernovaesupernovae
+3+3
An immense and catastrophic explosion of a nearby supernova still graces our sky

An immense and catastrophic explosion of a nearby supernova still graces our sky

The Vela Supernova Remnant is a masterpiece of chaos

Philip Plait
Philip Plait
supernovaesupernovae
+4+4
JWST observed an immense gamma-ray burst from a very long time ago
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JWST observed an immense gamma-ray burst from a very long time ago

An incredibly powerful explosion reached out to us from across the Universe

Philip Plait
Philip Plait
miscellanymiscellany
+3+3
Diet Hard

Diet Hard

A physics-based approach to nutrition is at best only mildly helpful

Philip Plait
Philip Plait
MarsMars
+4+4
A Red Planet Holiday

A Red Planet Holiday

A mind-blowing image of Mars taken from above the planet itself

Philip Plait
Philip Plait
exoplanetsexoplanets
+4+4
Today’s the day. Or is it?

Today’s the day. Or is it?

It depends on what you mean by “day”. Also, old stars eat their planets!

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
Happy solstice, and a gorgeous galaxy with which to measure the Universe

Happy solstice, and a gorgeous galaxy with which to measure the Universe

The longest night is now behind us, and a Hubble image of a galaxy used as a ruler

Philip Plait
Philip Plait
EarthEarth
+5+5
Today our planet will not be destroyed. Probably.

Today our planet will not be destroyed. Probably.

I mean, no promises. But it won’t be because the Maya predicted it.

Philip Plait
Philip Plait
exoplanetsexoplanets
+5+5
A new binary star exoplanet image, and a very cool five-point Einstein Cross
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A new binary star exoplanet image, and a very cool five-point Einstein Cross

See a direct image of the planet, and a quintuply gravitationally lensed galaxy

Philip Plait
Philip Plait
astrophotographyastrophotography
+5+5
Mystery solved? Baffling huge nebula near Andromeda Galaxy is actually in our neighborhood

Mystery solved? Baffling huge nebula near Andromeda Galaxy is actually in our neighborhood

Weird arcing cloud of oxygen is most likely part of the Milky Way, not our giant neighbor

Philip Plait
Philip Plait
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