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Artikel-artikel mengenai Astronomy

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The Moon passes in front of the Sun during this eclipse at Lake Bolac, Victoria, April 29, 2014. Phil Hart

Watch the Moon hide the Sun from northern Australia

On December 26 a solar eclipse will be visible from northern Australia, southern Asia and parts of the Middle East.
An artist’s conception of WASP-18b, a giant exoplanet that orbits very close to its star. X-ray: NASA/CXC/SAO/I.Pillitteri et al; Optical: DSS

A real-life deluminator for spotting exoplanets by reflected starlight

Sometimes it is difficult to take a photograph of an exoplanet because the star illuminating it is too bright. Now there is a new 'deluminator' telescope that can block out the extra light.
Today we hear about some of the fascinating space research underway at Siding Spring Observatory – and how, despite gruelling hours and endless paperwork, astronomers retain their sense of wonder for the night sky. Shutterstock

‘The size, the grandeur, the peacefulness of being in the dark’: what it’s like to study space at Siding Spring Observatory

‘The size, the grandeur, the peacefulness of being in the dark’: what it’s like to study space at Siding Spring Observatory. The Conversation, CC BY54,3 MB (download)
Three hours north-east of Parkes lies a remote astronomical research facility, unpolluted by city lights, where researchers are trying to unlock some of the biggest questions about our Universe.
In 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon. NASA/JHUAPL/SwRI

Planetary confusion – why astronomers keep changing what it means to be a planet

Many people are still upset that Pluto was demoted from being a planet. But definitions of various celestial objects are fairly fluid. So whether it is an asteroid or moon or planet is up for debate.
An artist’s conception of two black holes entwined in a gravitational tango. NASA/JPL-Caltech/SwRI/MSSS/Christopher Go

Supermassive black hole at the center of our galaxy may have a friend

There is a massive black hole in the center of the Milky Way galaxy. Measurements of star orbits near this black hole suggest that there may be a second companion black hole nearby.
Astronaut Alan L. Bean, Apollo 12, walks on the Moon’s surface. Commander Charles Conrad Jr. is reflected in Bean’s helmet visor. NASA/JHUAPL/SwRI

Apollo 12: Fifty years ago, a passionate scientist’s keen eye led to the first pinpoint landing on the Moon

Apollo 11 tends to steal the spotlight when it comes to lunar landings. But Apollo 12 was the first mission to make a precise pinpoint landing on the Moon - and without the aid of computers or GPS.
This artist’s impression shows a view of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the solar system. ESO/M. Kornmesser

NASA’s TESS spacecraft is finding hundreds of exoplanets – and is poised to find thousands more

Beyond the outer edge of the Solar System, mysterious, unknown worlds await by the thousands. Astronomers can now finally find them and explore them - but will we find another Earth?
An image taken by the Hubble telescope of NGC 4639, a barred spiral galaxy in the constellation of Virgo. NASA

Something is killing galaxies, and scientists are on the case

The first ever Canadian-led large project on one of the world's leading telescopes will investigate how the birth and death of galaxies are affected by their environment.
A composite image showing the distribution of dark matter, galaxies and hot gas in a merging galaxy cluster taken with NASA’s Hubble Space Telescope and with the Canada-France-Hawaii Telescope in Hawaii. NASA

Canada’s grand plan to explore the mysteries of the cosmos

The Canadian Long Range Plan 2020 for astronomy and astrophysics builds on Canadian research's previous success to extend Canada's role.
The universe is home to a dizzying number of stars and planets. But the vast bulk of the universe is thought to be invisible dark matter. Illustris Collaboration

Why do astronomers believe in dark matter?

Why do astronomers believe there's dark matter when it cannot be directly detected? Let's look at the evidence, and see what dark matter's presence means for our universe.

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