How to Use a Planisphere

planisphere

We use constellations with signs of the zodiac or animals, because these are convenient easy ways of helping to remember where particular stars are. We name the constellations for the shapes their stars make when joined up. Cygnus is in the shape of a swan with wings outstretched, and Scorpius is shaped like a scorpion. Sometimes a shape will be part of a constellation, such as the seven bright stars in Ursa Major that form the saucepan and handle of the Big Dipper.

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Universe Today

Space and astronomy news

Host: Fraser Cain (@fcain) Special Guest: This week’s special guests are the NEOShield-2 Project Team. NEOShield-2 is a 100% European Union funded project to develop technologies to avoid an asteroid impact on Earth. Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Their stories this week: Hubble Finds a Dead Galaxy LISA is ON! NASA Releases a […]

The post Weekly Space Hangout – June 23, 2017: NEOShield-2 Project Team appeared first on Universe Today.

Author: Fraser Cain
Posted: June 23, 2017, 3:27 pm

A team from SINTEF, and with the support of the ESA is looking to develop snake robots to assist astronauts aboard the ISS and conduct missions to asteroids, the Moon and Mars.

The post Snake Rovers Might be the Best Way to Explore the Surface and Tunnels on Mars appeared first on Universe Today.

Author: Matt Williams
Posted: June 23, 2017, 2:16 am

KENNEDY SPACE CENTER, FL – For only the second time in history, SpaceX will launch a ‘flight-proven’ Falcon 9 rocket this Friday afternoon and the payload this time for this remarkable and science fictionesque milestone is the first geostationary communications satellite for the nation of Bulgaria. Blastoff of the BulgariaSat-1 communications satellite for commercial broadband […]

The post 2nd SpaceX Recycled Falcon 9 Rocket Launching 1st Bulgarian GeoComSat June 23, Plus Potential Weekend Launch ‘Doubleheader’ – Watch Live appeared first on Universe Today.

Author: Ken Kremer
Posted: June 22, 2017, 10:49 pm

Relying on Hubble and gravitational lensing, a team of astronomers made the unexpected discovery of a galaxy that ceased star formation just three billion years after the Big Bang.

The post Hubble Finds a Dead Galaxy that was Finished Making Stars Just a Few Billion Years After the Big Bang appeared first on Universe Today.

Author: Matt Williams
Posted: June 22, 2017, 8:06 pm

Yippy-ki-yay! Saturn rides the back of a prancing pony across the evening sky. See it the next clear night.

The post Saturn Rides Bareback On The Galactic Dark Horse appeared first on Universe Today.

Author: Bob King
Posted: June 22, 2017, 6:11 pm

You can catch a glimpse of what its like to see NASA’s Curiosity Mars rover simultaneously high overhead from orbit and trundling down low across the Red Planet’s rocky surface as she climbs the breathtaking terrain of Mount Sharp - as seen in new images from NASA we have stitched together into a mosaic view; showing the perspective views above.

The post See NASA’s Curiosity Rover Simultaneously from Orbit and Red Planet’s Surface Climbing Mount Sharp appeared first on Universe Today.

Author: Ken Kremer
Posted: June 22, 2017, 5:10 am

A researcher working with the ESA has proposed creating a fleet of magnetic tugs to safely and effectively remove space debris from orbit.

The post Let’s Clean up the Space Junk with Magnetic Space Tugs appeared first on Universe Today.

Author: Matt Williams
Posted: June 21, 2017, 7:35 pm

The ESA recently decided to move forward with its LISA mission, a trio of satellites that will be the first space-based gravitational wave detector.

The post LISA is On! Gravitational Wave Detection is Going to Space appeared first on Universe Today.

Author: Matt Williams
Posted: June 21, 2017, 6:01 pm

It isn't every day we get a new moon added to the list of solar system satellites. The combined observational power of three observatories—Kepler, Herschel and Hubble—led an astronomical detective tale to its climatic conclusion: distant Kuiper Belt Object 2007 OR10 has a tiny moon.

The post An Astronomical Detective Tale and the Moon of 2007 OR10 appeared first on Universe Today.

Author: David Dickinson
Posted: June 21, 2017, 5:35 pm

10 years of Astronomy Cast… wow. It’s been a long, fun journey. What are some of our favorite episodes and adventures over the decade we’ve been doing this show. Visit the Astronomy Cast Page to subscribe to the audio podcast! We usually record Astronomy Cast as a live Google+ Hangout on Air every Friday at […]

The post Astronomy Cast Ep. 453: Favorite Things We’ve Done These 10 Years appeared first on Universe Today.

Author: Fraser Cain
Posted: June 20, 2017, 7:20 pm