Supermassive black hole a feature of most galaxies

A large galaxy typically has a supermassive black hole at its heart. These black holes contains millions – to billions – of times our sun’s mass.

The post Supermassive black hole a feature of most galaxies first appeared on EarthSky.

Retrograde motion can be real, or illusory

Retrograde motion of Jupiter or Mars or Saturn in our sky is an illusion, a trick of perspective. But there’s a real retrograde motion, too.

The post Retrograde motion can be real, or illusory first appeared on EarthSky.

Coral City Camera captures glorious world of reef ecosystems under global warming threat – India Today

Humans don’t know what they’re missing under the surface of a busy shipping channel in the “cruise capital of the world.” Just below the keels of massive ships, an underwater camera provides a live feed from another world, showing marine…

Storm-chasing: A picturesque Texas tornado

Meteorologist Peter Forister spent the first week in May on the Great Plains, witnessing eight tornadoes over three days. Read his storm chasing account.

The post Storm-chasing: A picturesque Texas tornado first appeared on EarthSky.

There’s a ‘Man in the Moon’: Why Our Brains See Faces Everywhere – And Monkeys Do Too

It’s so commonplace we barely give it a second thought, but human brains seem hardwired to see human faces where there are none—in objects as varied as the moon, toys, plastic bottles, tree trunks, and vacuum cleaners. Some have even seen an imagined Jesus in cheese on toast. Until now scientists haven’t understood exactly what […]

The post There’s a ‘Man in the Moon’: Why Our Brains See Faces Everywhere – And Monkeys Do Too appeared first on Good News Network.

From Weather Forecasting to Climate Change, NASA’s AIRS Builds a Legacy – Climate Change: Vital Signs of the Planet – NASA Climate Change

[embedded content] NASA’s AIRS instrument tracked a record-breaking heat wave as it intensified in the Pacific Northwest last June. AIRS remains a vital resource for weather forecasting, and 20 years after launch it has also become a resource for understanding…

From Weather Forecasting to Climate Change, NASA’s AIRS Builds a Legacy – NASA Jet Propulsion Laboratory

On April 13, a blizzard dropped 4 feet of snow on Minot, North Dakota, as a drought-fueled wildfire burned in Ruidoso, New Mexico, and severe storms spawned eight tornadoes in Kentucky. NASA’s Atmospheric Infrared Sounder (AIRS) helped weather forecasters predict…

Polluters are using forests as ‘carbon offsets.’ Climate change has other plans. – National Geographic

On July 6, 2021, lightning ignited a fire in the Fremont-Winema National Forest of southern Oregon, in an area packed with dead trees from a mountain pine-beetle outbreak. Fueled by drought, the Bootleg fire exploded, at one point consuming 1,000…

Alex Veilleux: Utah’s emergency drought declaration is an emergency climate declaration – Salt Lake Tribune

Last week Gov. Spencer Cox declared a state of emergency over the drought conditions in the state of Utah. It is important that the governor’s office is recognizing the dire outlook for water this upcoming summer, but we need to…

Two new giant dinosaur species solve a mystery

Two new species of dinosaur – the largest predators in their ecosystems – solve the mystery as to why herbivore populations didn’t expand unchecked.

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