Something for the Weekend: Asteroid 2014 RC Flyby of Earth
Asteroid Flyby of Earth On Sunday, Sept. 7th, a house-sized asteroid named “2014 RC” will fly through the Earth-Moon system approximately 25,000 miles (40,000 km) from…
Read the articleTag: The sun
View
White Dwarf Stars Can Reignite and Explode as Supernovae
Astronomers using ESA’s Integral gamma-ray observatory have demonstrated beyond doubt that dead stars known as white dwarfs can reignite and explode as supernovae. The finding came…
Read the article
Several Supernovas Exploded Near Earth 10 Million Years Ago
Once every 50 years, more or less, a massive star explodes somewhere in the Milky Way. The resulting blast is terrifyingly powerful, pumping out more energy…
Read the article
Landing Site Search Narrows for Rosetta’s Philae Lander
Using detailed information collected by ESA’s Rosetta spacecraft during its first two weeks at Comet 67P/Churyumov-Gerasimenko, five locations have been identified as candidate sites to set…
Read the article
Keeping the Webb Space Telescope Cool
Here on Earth, under the protection of the layers of our atmosphere, we can still find the heat from the Sun sometimes almost unbearable. This is…
Read the article
So This Is What Comet 67P/Churyumov-Gerasimenko Looks Like
After a decade-long journey chasing its target, ESA’s Rosetta has today become the first spacecraft to rendezvous with a comet, opening a new chapter in Solar…
Read the articleWatch the Rosetta Rendezvous Live Tomorrow
Tomorrow morning at 8:00AM GMT (4AM EST), The ESA’s Rosetta probe will rendezvous with Comet 67P/Churyumov-Gerasimenko. It will be the first mission in history to rendezvous…
Read the article
NASA Prepares Mars Orbiters for Comet Flyby of Mars
NASA is taking steps to protect its Mars orbiters, while preserving opportunities to gather valuable scientific data, as Comet C/2013 A1 Siding Spring heads toward a…
Read the article
Nearby Blue Supergiant Mimics Earliest Stars
ESA’s XMM-Newton observatory has helped to uncover how the Universe’s first stars ended their lives in giant explosions. Astronomers studied the gamma-ray burst GRB130925A – a…
Read the article
Revisiting Lutetia With Rosetta
This ethereal image shows a stunning sliver of large main-belt asteroid Lutetia from the viewpoint of ESA’s Rosetta spacecraft, taken as Rosetta passed by on its…
Read the article