Search results for comets

Astronomy Apr 19, 2024

The 'devil comet' 12P/Pons-Brooks has finally become visible from Australia. What can we expect?

If you're a fan of all things space, you've doubtless heard about the "devil comet," which has been captivating keen-eyed observers in the northern hemisphere for the past few weeks. Now it's our turn, as comet 12P/Pons–Brooks ...

Planetary Sciences Apr 18, 2024

Are Titan's dunes made of comet dust?

A new theory suggests that Titan's majestic dune fields may have come from outer space. Researchers had always assumed that the sand making up Titan's dunes was locally made, through erosion or condensed from atmospheric ...

Astronomy Mar 27, 2024

ESA, NASA Solar Observatory discovers its 5,000th comet

On March 25, 2024, a citizen scientist in the Czech Republic spotted a comet in an image from the Solar and Heliospheric Observatory (SOHO) spacecraft, which has now been confirmed to be the 5,000th comet discovered using ...

Astronomy Mar 25, 2024

12P/Pons-Brooks: How and when to see the 'Devil Comet'

A Mount Everest-sized 'devil' comet making its first visit to the inner solar system in more than 70 years could be visible to the naked eye over the next few weeks.

Astronomy Mar 14, 2024

Study reveals ancient ice may still exist in distant space objects

A paper recently published in Icarus presents findings about the Kuiper Belt Object 486958 Arrokoth, shedding new light on the preservation of volatile substances like carbon monoxide (CO) in such distant celestial bodies.

Astronomy Feb 20, 2024

Capturing a comet's tail to keep Earth safe from the sun

A comet is set to pass by Earth this spring, and it may be missing its tail.

Planetary Sciences Feb 15, 2024

Spot the king of planets: Observe Jupiter

Jupiter is our solar system's undisputed king of the planets. Jupiter is bright and easy to spot from our vantage point on Earth, helped by its massive size and banded, reflective cloud tops. Jupiter even possesses moons ...

Planetary Sciences Jan 16, 2024

Samples from Wild 2 comet reveal a surprising past

Eighteen years after NASA's Stardust mission returned to Earth with the first samples from a known comet, the true nature of that icy object is coming into focus.

Astronomy Jan 9, 2024

Centaurs gain comet-like characteristics through close encounters with Jupiter, Saturn

A rapid reshaping of orbits resulting from a close encounter with Jupiter or Saturn can lead Centaurs to exhibit comet-like activity, according to a Planetary Science Institute Senior Scientist Eva Lilly paper.

Astronomy Dec 14, 2023

NASA's NEOWISE celebrates 10 years, plans end of mission

The asteroid and comet-hunting infrared space telescope has gathered an impressive haul of observations, but it's now at the mercy of the sun, which is accelerating its demise.

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