409 results
409 results for: exoplanet
- Astronomy
NASA’s TESS spacecraft launches to begin its exoplanet search
After reaching its orbit in about two months, the telescope will start scanning nearby stars telltale dips in light that signal a passing planet.
- Astronomy
Next to its solar twins, the sun stands out
Our sun has subtly different chemistry from its peers, which may help pinpoint stars with systems like our own.
- Astronomy
Delayed launch of NASA’s next exoplanet hunter is now set for tonight
NASA’s next exoplanet hunter, TESS, launches today to seek planets in 85 percent of the sky.
- Astronomy
Astronomers saw the first mass eruption from a star that’s not the sun
The first coronal mass ejection observed fleeing another star was as massive as scientists expected, but carried less energy.
- Astronomy
The recipes for solar system formation are getting a rewrite
A new understanding of exoplanets and their stars is rewriting the recipes for planet formation.
- Physics
Readers inquire about a Neptune-sized moon, nuclear pasta and more
Readers had questions about a Neptune-sized moon, nuclear pasta and the search for extraterrestrial life.
- Astronomy
How an astrophysicist chased a star from the Halo games to real life
Julián Alvarado Gómez has devoted his career to a star called Iota Horologii. His former life as a Halo video gamer helps fuel that devotion.
- Astronomy
Massive stellar flare may have fried Earth’s nearest exoplanet
A massive flare made Proxima Centauri 1,000 times brighter in 10 seconds, dimming hopes that its planet may be habitable.
- Astronomy
Hubble may have spotted the first known exomoon
A single sighting with the Hubble Space Telescope seems to confirm that there’s a Neptune-sized moon orbiting exoplanet Kepler 1625b.
- Astronomy
Gaia delivers a trove of data revealing secrets of the Milky Way
Astronomers are already using Gaia’s new information to estimate the galaxy’s mass, the diameter of exoplanets and more.
- Astronomy
Hot, rocky exoplanets are the scorched cores of former gas giants
Hot, rocky exoplanets are probably the scorched cores of former gas giants, so astronomers shouldn’t trust them for information about true Earth twins.
- Astronomy
Astronomers spot another star that flickers like Tabby’s star
The irregular flickering of star VVV-WIT-07 is reminiscent of Tabby’s star, which brought speculation of alien megastructures.
