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Brightest comet of 2021 to pass by Earth on 12 Dec; here's all you need to know
News & Analysis

Brightest comet of 2021 to pass by Earth on 12 Dec; here's all you need to know

The comet is travelling at a speed of 158,084 miles per hour (71 kilometres per second), but due to its distance from the Earth, it will appear as a slow-moving object to observers

Researchers discover a gargantuan comet 1,000 times bigger than usual heading towards Earth
science

Researchers discover a gargantuan comet 1,000 times bigger than usual heading towards Earth

Scientists predict that the comet will come closest to the Earth about a decade later, sometime in the year 2031.

From meteor showers to Neptune at opposition: List of celestial events in September to watch out for
science

From meteor showers to Neptune at opposition: List of celestial events in September to watch out for

On 22 September the season officially changes and it marks the point where earth experiences equal lengths of day and night.

Giant comet hailing from distant Oort Cloud spotted in our outer solar system
science

Giant comet hailing from distant Oort Cloud spotted in our outer solar system

The giant comet is known as Comet Bernardinelli-Bernstein and is estimated to be about 1,000 times bigger than a typical comet.

Comet 2I/Borisov is the most pristine visitor from outer space ever observed
science

Comet 2I/Borisov is the most pristine visitor from outer space ever observed

Pristine, in astronomical terms, describes a comet that has never passed close enough to a star to be transformed by its searing heat.

Comet from solar system's edge triggered a winter that killed the dinosaurs 66 mn-years-ago: Harvard study
science

Comet from solar system's edge triggered a winter that killed the dinosaurs 66 mn-years-ago: Harvard study

These long-period comets take about 200 years to orbit the Sun and we can expect similar impacts every 250 million to 750 million years.

UK scientists gear up to build a comet-chasing spacecraft that will launch in 2028
science

UK scientists gear up to build a comet-chasing spacecraft that will launch in 2028

The mission will allow scientists to know about the history of the solar system as never seen before.

NASA's time-lapse of the Comet ISON shows it journeying towards the Sun, before it broke apart in 2013
science

NASA's time-lapse of the Comet ISON shows it journeying towards the Sun, before it broke apart in 2013

ISON had a tail that was 20 times wider than the full Moon and its head was so bright that it could have been seen in the “pre-dawn eye with the unaided eye”.

After two years circling asteroid Bennu, NASA's Osiris-Rex mission to touch down, collect samples
science

After two years circling asteroid Bennu, NASA's Osiris-Rex mission to touch down, collect samples

While NASA has brought back comet dust and solar wind particles, it’s never attempted to sample one of the nearly 1 million known asteroids lurking in our solar system until now.

Hubble telescope captures close-up shot of ‘celebrity’ comet NEOWISE as it passes by the Sun
science

Hubble telescope captures close-up shot of ‘celebrity’ comet NEOWISE as it passes by the Sun

NASA’s Hubble telescope captured close-up shots of the coma of the comet which is the cloud of gas and dust that surrounds the icy nucleus of the comet.

Perseid meteor shower peaks tonight: Interesting facts, tips to spot the year's best meteor shower display
science

Perseid meteor shower peaks tonight: Interesting facts, tips to spot the year's best meteor shower display

Following the faint Delta Aquariids meteor shower in July come the Perseids, which is arguably the best and brightest meteor shower throughout the year.

Asteroid 2020 ND expected to pass Earth at dizzying speed of 48,000 kmph at 8.43 pm IST
science

Asteroid 2020 ND expected to pass Earth at dizzying speed of 48,000 kmph at 8.43 pm IST

The asteroid was 'nudged' into Earth's near neighbourhood by the gravitational pull of planets as it orbits through the solar system.

Carbon levels in Comet Atlas could help astronomers detect the age of other comets
science

Carbon levels in Comet Atlas could help astronomers detect the age of other comets

Comet Atlas was a long-period comet, one that enters the Solar System once in 5,476 years.

Black hole the size of a grapefruit lurking at the edges of our solar system 'could be Planet X'
science

Black hole the size of a grapefruit lurking at the edges of our solar system 'could be Planet X'

The Legacy Survey of Space and Time telescope should be able to confirm or rule out if Planet X is a black hole or not.

Asteroid that is three times bigger than the Big Ben shot past the Earth at a speed of 46,400 kmph
science

Asteroid that is three times bigger than the Big Ben shot past the Earth at a speed of 46,400 kmph

NEO's are comets or asteroids that have been "nudged by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth’s neighbourhood."

New type of Trojan asteroid discovered near Jupiter has an orbit like an asteroid but the tail of a comet
science

New type of Trojan asteroid discovered near Jupiter has an orbit like an asteroid but the tail of a comet

It is believed that Trojan asteroids have large amounts of ice beneath their surfaces, but there was never any evidence untill now.

Hubble Space Telescope captures sharpest images of the disintegration of the comet Atlas
science

Hubble Space Telescope captures sharpest images of the disintegration of the comet Atlas

The comet was discovered on 29 December last year by the ATLAS robotic astronomical survey system.

Interstellar object 2I/Borisov is very different from other comets that have formed in our solar system
science

Interstellar object 2I/Borisov is very different from other comets that have formed in our solar system

Gas coming from 2I/Borisov contained high amounts of carbon monoxide indicating the object had large concentrations of carbon monoxide ice.

Oumuamua might be wreckage from a planet ripped apart after it got too close to its Star
science

Oumuamua might be wreckage from a planet ripped apart after it got too close to its Star

Since its discovery in 2017, scientists were puzzled by its origin and nature and some thought it might be an alien spacecraft.