Scientists find evidence of a gargantuan interstellar explosion

Scientists find evidence of a gargantuan interstellar explosion

WASHINGTON, April 3 : A supernova – the explosive death of a star – is always violent, destroying material in space while normally leaving a compact stellar remnant like a neutron star or a black hole. But some supernovae that affect the most massive stars in the universe may be so powerful that they leave … Read more

Interstellar comet 3I/ATLAS may be 12 billion years old – so its old star system may no longer exist.

3I/ATLAS travels through space in this black and white gif.

The asteroid that recently dominated the headlines, 3I/ATLAS, may be between 10 and 12 billion years old, a new analysis of the isotopic composition of the comet has shown. This so-called “invader” in our planetary system is only the third object reported to enter our cosmic environment from beyond. If these predictions of new comet … Read more