Notícias · Recifes

To ancient astronomers, Theta Eridani was brighter for 1,000 years—now we know why

There's a bit of a historical mystery surrounding the star Theta Eridani. Ptolemy in the second century A.D. and al-Sufi in A.D. 964 both recorded Theta Eridani as one of the 13 brightest stars in the sky. Hipparchus may have said the same. But there's a problem. For it to be one

Admin Recifes 15/07/2026 1

Europe just unveiled a new rival to SpaceX’s Starship

A detailed independent study found that SpaceX's Starship is every bit as revolutionary as expected, while revealing both its impressive capabilities and its biggest remaining hurdles. It also introduces an ambitious European rocket concept that could offer a very different route

Admin Recifes 15/07/2026 1

Space jam: astronomers detect ‘raspberry sugar’ on dust cloud in Milky Way

Detection of erythrulose shows compounds that are key to life can form in expanse between starsA natural sugar found in raspberries and used in fake tan lotions has been detected in an enormous cloud of dust and gas that lurks near the heart of the Milky Way.The discovery does no

Admin Recifes 15/07/2026 1

Hubble discovers first of star cluster's missing black holes

The massive globular star cluster Omega Centauri has puzzled astronomers for decades. It should be filled with black holes left behind by exploding stars, yet evidence for them is scarce. Now, astronomers using archival data from NASA's Hubble Space Telescope and supporting obser

Admin Recifes 15/07/2026 0

Astronomers' surprise at discovery of new stars

A Warwick University team, working with US astronomers, find four, previously hidden, white dwarf stars. O recorte ajuda a contextualizar a pauta dentro de Agro.

Admin Recifes 15/07/2026 1

Heavy-element exotic dust may solve a neutron star merger mystery

When neutron stars merge, they create a powerful explosion called a kilonova that flings out neutron-rich material, some of which decays into heavy elements through a process called the r-process. Recent observations of kilonovae revealed unexpected signatures that could not be e

Admin Recifes 15/07/2026 1

Roman telescope will spot distant black holes that shred stars

How do black holes at the centers of galaxies form and grow over time? To answer this question, scientists need to detect and study supermassive black holes at great distances that existed much earlier in the universe's history. New research suggests NASA's Nancy Grace Roman Spac

Admin Recifes 15/07/2026 1

Photo: Hubble sees crimson cloud and stars

Blue and white stars shine brilliantly against a crimson background of glowing gas in this July 3, 2026, image of stellar nursery LH 95 from NASA's Hubble Space Telescope.

Admin Recifes 15/07/2026 1

Astronomers just found four hidden white dwarf stars near Earth

Four nearby white dwarf stars have been discovered hiding in plain sight beside brighter red dwarf companions. Hubble's ultraviolet observations finally revealed the long-hidden stellar remnants, including one just 25 light-years away that took nearly three decades to confirm. Th

Admin Recifes 15/07/2026 1

Voo 13 do Starship: o que os astros revelam sobre este lançamento histórico

Com o Starship pronto para cruzar os céus em 16 de julho, a astrologia aponta sinais poderosos: Câncer, Lua e o número 13 formam uma combinação que vai além da ciência.

Admin Recifes 15/07/2026 1

Tecnologia

Sucesso! SpaceX lança mais 27 satélites Starlink

Atualmente, a SpaceX opera mais de 10 mil satélites Starlink em órbita e possui autorização para lançar cerca de outros 4 mil O post Sucesso! SpaceX lança mais 27 satélites Starlink apareceu primeiro em Olhar Digital.

Admin Recifes 14/07/2026 4

SpaceX prepara o 13º voo do Starship com novos desafios e satélites Starlink

A SpaceX se aproxima de mais um marco histórico: o décimo terceiro teste do Starship, que trará experimentos inéditos com pressurização elevada e a estreia de novos satélites Starlink em órbita.

Admin Recifes 14/07/2026 3

Acompanhe as Notícias da Recifes