Take our tour of the hottest discoveries researchers made in the past year
This year astronomers got their first-ever direct look at a black hole. What instrument did they use to produce the historic image?c. the Laser Interferometer Gravitational-Wave Observatorya. The Event Horizon Telescope is a global network of radio observatories that collectively produced an image of the black hole in silhouette within a swirling ring of hot gas.
James Peebles, right, won half the 2019 Nobel prize for physics. The other half was shared by Swiss scientists Michel Mayor, middle, and Didier Queloz, left.This year, the world recognized the 150th anniversary of which fundamental scientific idea?d. the warping of space by gravity The periodic table of elements is a catalogue of the basic building blocks of matter, such as chromium and vanadium.According to a Swiss study published in July, a large share of the carbon that humans have released into the atmosphere could be taken up by planting trees. Excluding existing forests, farms and cities, the amount of land around the world that could support additional tree cover is closest in area to what country?a.
A man watches the crashing waves at Peggys Cove, N.S., this past September before Hurricane Dorian's landfall.This year saw the 20th anniversary of the launch of MOPITT, a groundbreaking Canadian-U.S. instrument that continues to gather data about our planet from orbit. What does MOPITT stand for?b. Methane, Ozone, Pressure, Insolation & Temperature Telemetrya.
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