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What is dark matter?

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All About Space
Issue 112
VISUALIZZA IN NEGOZIO

Altri articoli in questo numero


CONTENTS
WELCOME
This month All About Space returns to the
LAUNCH PAD
A split sky
© ESO The Moon, Saturn and Mercury are
China’s Chang’e 5 lands on the Moon, collects first lunar sample
The craft touched down in the northwest part
Arecibo radio telescope hanging platform collapses
Source: Wikipedia Commons © Mariordo (Mario Roberto Durán
Newfound ‘Kraken merger’ may have been the biggest collision in Milky Way history
© ESA/NASA/ESO The Milky Way has more than
Jupiter’s ocean moon Europa may spout water plumes
NASA plans to send its Europa Clipper to
Big dust storms may have driven off much of Mars’ water
Dust storms are common on the arid Red
Faint ‘super-planet’ found by radio for the first time
Brown dwarfs are huge, but didn’t quite make
WIN
MEADE ETX-125 OBSERVER
DARK MATTER
DARK MATTER
WHERE DID IT COME FROM?
Where did dark matter come from?
Bubbles in the early universe may have solved the mystery 
Dark matter vs Dark energy
Even more mysterious than dark matter is a phenomenon in the universe called dark energy
The biggest unanswered questions about dark matter
Is there more than one kind? Could there
FUTURE TECH
EXPLORING HELL
Needing to navigate mechanical rovers on Venus, NASA offered a prize
INTERVIEW
“WE STILL NEED TO HAVE MORE DIVERSITY IN THE ASTRONAUT CORPS”
DR BERNARD HARRIS JR. 
DID MINI-MOONS MAKE THE EARTH?
A new theory suggests ‘moonfalls’ may have formed our planet’s first continents
Earth’s little moons
Our Solar System’s planets have more than one moon – even ours on occasion
NASA’S NEW MISSION TO MARS
The rover that’s about to begin a fascinating hunt for life on the Red Planet
INTERVIEW
The making of Earth
The nebular hypothesis is the most widely accepted theory of how our planet formed at roughly the same time as the rest of our Solar System’s worlds
MEET PERSEVERANCE AND INGENUITY
Here’s how the rover and drone will operate on the surface of Mars
LANDING ON MARS
Matt Wallace, the deputy project manager on the mission, explains what will happen during the landing
PERSEVERANCE VS PREVIOUS MARS ROVERS
© NASA/JPL-Caltech © NASA/JPL-Caltech 1 Sojourner Weight: 11
The story of the stars
We look up today and see the stars divided into the same familiar shapes as our ancestors, but how did the constellations come to be?
Ancient astronomy
Though the ancient Greek interpretations are the ones that stuck, what did other cultures see in the stars?
Myths and monsters
How the ancient Greeks wove lasting legends into the sky
A whole cast of stars
SIn Greek mythology, Cepheus and Cassiopeia were the king
Uncovering the southern skies
How the Age of Exploration discovered new groups of stars to give meaning to
INTERVIEWS
WHERE PERSEVERANCE WILL LAND
The rover is targeting an interesting region in the northern hemisphere of Mars called Jezero Crater
FOCUS ON
GALEX SOLVES BLUE RING NEBULA MYSTERY
A stellar collision is the culprit behind the strange ultraviolet phenomenon
WEIRD DISCOVERY ON TITAN
A newfound molecule has raised hopes that Saturn’s largest moon hosts the building blocks needed for life
Titan’s weird molecule
Cyclopropenylidene’s presence in this location was highly unexpected
what happens on titan’s surface?
1. Nitrogen & methane leave the surface These
HOW TITAN HAS THE INGREDIENTS FOR LIFE
It’s this moon’s similarities to Earth that have drawn alien life hunters towards it
WHAT’S UP WITH THE MILKY WAY?
MYSTERIES  OF THE  UNIVERSE
HOW CHIME IS USED TO DISCOVER FAST RADIO BURSTS
Located in Okanagan Falls, the Canadian Hydrogen Intensity Mapping Experiment picked up on FRB 200428 
THE DIY APPROACH TO SPACE DISCOVERY
STARE2’s trio of radio detectors were cobbled together by a student using household items
A MYSTERY SOLVED?
The detection of an FRB in our galaxy has led astronomers to conclude such bursts involve a magnetar
USER MANUAL
Arecibo Observatory
Prior to its decommissioning and sudden collapse, this huge dish made many invaluable contributions to astronomy
Anatomy of the Arecibo Observatory
The integral equipment that enabled the telescope to peer into the skies
Inside the Arecibo Message
A letter to the cosmos, beamed from the huge dish towards globular star cluster M13 in Hercules
Frequent frequency fiddling
Source: Wikipedia Commons © Mariordo (Mario Roberto Durán
Discover the universe using a radio telescope
1 Crab Pulsar Both the period and location
Vital statistics
Head-to-head
Arecibo vs FAST
GREAT SPACE IMAGES OF 2020
From the stunning Westerlund 2 to the mighty Jupiter, our eyes in the sky have seen some spectacular sights this year. Here are just a few of them
SOLAR ORBITER’S FIRST VIEW OF THE SUN
Solar Orbiter was launched back in February 2020
HUBBLE’S 30TH ANNIVERSARY IMAGE
Since the Hubble Space Telescope opened its eye
BUTTERFLY NEBULA
Despite the Butterfly Nebula (NGC 6302) being one
SATURN 2020
© NASA/ESA This exquisitely detailed and stunning image
SPACEX CREW-1
© NASA 2020 has been an exciting year
JUPITER AND EUROPA 2020
© NASA/ESA This image of Jupiter and its
DARK RAYS IN IC 5063
© NASA/ESA In the heart of this Hubble
CARINA NEBULA’S WESTERN WALL
Using the 8.1-metre (26-foot) Gemini South telescope at
CURIOSITY’S MARS SELFIE
© NASA/JPL-Caltech Curiosity is well known for taking
OSIRIS-REX TAKES A SAMPLE OF BENNU
In a NASA first, more than 320 million
COMET NEOWISE
© NASA/ESA Hubble’s spectacular eye was used to
Will the International Space Station ever be replaced?
ASK Space Our experts answer your questions
Why are there no green stars?
© NASA The night sky is speckled with
Will the universe end?
There are three widely considered fates for the
What’s at the centre of a black hole?
Black holes have an ‘impossible’ singularity at the
What gives the planets their colours?
© NASA The colours of the planets depend
Does gravity behave the same throughout the cosmos?
Without gravity, everything needs to be tied down © NASA As far
Has alien life ever visited Earth?
It is possible that life on Earth was
What would be involved in landing humans on Pluto?
The New Horizons spacecraft conducted a flyby study
STARGAZER
What’s in the sky?
ESSENTIAL GUIDES AND ADVICE FOR AMATEUR ASTRONOMERS
Planetarium
14 January 2021
Moon calendar
The Moon does not pass the meridian on 28 January
Illumination percentage
Planet positions
All rise and set times are given in GMT
This month’s planets
Mercury will glide past Jupiter and Saturn, which remain close together after their great conjunction last year
Schiller
To start off the New Year, spot one of the strangest-shaped craters on the Moon
Naked eye & binocular targets
Explore the sparkling winter wonders in and around Orion
Little-known treasures of Taurus
Deep sky challenge
The Northern Hemisphere
Get stuck into a plethora of galaxies, nebulae and star clusters
Astroshots of the month
Get featured in All About Space by sending your astrophotography images to space@spaceanswers.com
Celestron Cometron FirstScope 76
Designed with the beginner or casual astronomer in mind, this tabletop telescope is portable, provides good views and doesn’t take up too much space
In the shops
The latest books, apps, software, tech and  accessories for space and astronomy fans alike
CLAIM
3 FREE DIGITAL BOOKS FOR EVERY READER!
HEROES OF SPACE
Katie Bouman
Bouman was instrumental in imaging a black hole
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