space archive

Hidden planet discovered in old Hubble data - Apr 3, 2009 - 9:55 am

New image processing technique subtracts glare

Illustration of planet HR8799b. Image: NASA, ESA, G. Bacon (STScI)

A new technique has uncovered an extrasolar planet hidden in Hubble Space Telescope images taken 11 years ago. continue

Barth Netterfield in BLAST! - celebrating International Year of Astronomy - Jan 16, 2009 - 11:07 am

As an official Special Project of the International Year of Astronomy 2009, BLAST! will be screening in communities around the world! Featuring Barth Netterfield, Balloon Borne Astrophysics, University of Toronto.

Planets outside solar system - Nov 14, 2008 - 3:17 pm

Astronomers capture first photos

NASA Hubble Space Telescope's most detailed visible-light image ever taken of a narrow, dusty ring around the nearby star Fomalhaut offers the strongest evidence yet that an unruly and unseen planet may be gravitationally tugging on the ring. Source: NASA, ESA, P. Kalas and J. Graham (University of California, Berkeley) and M. Clampin (NASA/GSFC)

WASHINGTON — A Canadian-led team of astronomers has captured images of three giant planets outside our solar system, orbiting a distant star known as HR8799. continue

Finding clues to planets' birth - Nov 12, 2008 - 4:05 pm

Physicists study magnetic fields of ancient meteorites

Martian Meteorite. Photo: Nasa Images, NASA Solarsystem Collection.

A team of physicists from the Massachusetts Institute of Technology and the University of Toronto have found new clues in the magnetic fields of ancient meteorites about conditions at the beginning of the solar system. continue

Mars mystery explained - Sep 26, 2008 - 12:55 pm

Key difference between magnetic fields of Earth and Mars

Mars. Image: NASA

So much attention has been paid to the similarities and differences between Earth and Mars that we often look to the ancient red planet for signposts in our own planet’s future. A U of T physicist, whose work is published this week in the prestigious international journal Science, may have explained some key differences in [...]

Huge discovery by U of T astronomers - Sep 17, 2008 - 12:40 pm

"Truly remarkable diversity of worlds out there"

Gemini adaptive optics image of 1RSX J160929.1-210524 and its likely ~8 Jupiter-mass companion (within red circle). This image is a composite of J-, H- and K-band near-infrared images. All images obtained with the Gemini Altair adaptive optics system and the Near-Infrared Imager (NIRI) on the Gemini North telescope. Photo Credit: Gemini Observatory

University of Toronto astronomers have unveiled what is likely the first picture of a planet around a star similar to the sun. Three scientists from astronomy and astrophysics used the Gemini North telescope on Mauna Kea in Hawaii to take images of the young star 1RXS J160929.1-210524 (which lies outside the solar system at about [...]

Photo may reveal planet orbiting sun-like star - Sep 15, 2008 - 1:55 pm

U of T astronomers photograph star

Gemini adaptive optics image, taken in infrared light, of 1RSX J160929.1-210524 and its likely ~8 Jupiter-mass companion (within red circle). All images obtained with the Gemini Altair adaptive optics system and the Near-Infrared Imager (NIRI) on the Gemini North telescope. Credit: Gemini Observatory

Astronomers have taken what may the first picture of a planet orbiting a star similar to the sun. continue

Is it true that we’re made up of star dust? - Jul 30, 2008 - 2:49 pm

“Yes,” says Bob Garrison of the Department of Astronomy. “That’s actually a very accurate way of putting it.” The first two elements—hydrogen and helium—were formed during the Big Bang, but because the post-Bang universe was expanding rapidly, temperatures weren’t high enough to generate the other 100-plus elements. These were formed inside stars. The first stars [...]

Bone cells space out - Mar 11, 2008 - 12:56 pm

Scarborough PhD student studies osteoporosis in zero gravity

Name: Noushin Nabavi. Age: 25. Program: Second-year PhD student in cell and systems biology at University of Toronto’s Scarborough campus. Thesis: Intracellular trafficking in bone cells. The study: Nabavi, along with members of the Canadian Space Agency and the European Space Agency, wanted to study the conditions experienced by astronauts, who lose 1 to 2 [...]