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Stories by Robert P. Kirshner3 articles archived since 1845

Surveying Spacetime with Supernovae

Exploding stars seen across immense distances show that the cosmic expansion may be accelerating-a sign that an exotic new form of energy could be driving the universe apart

October 1, 2002 — Craig J. Hogan, Nicholas B. Suntzeff and Robert P. Kirshner

Surveying Space-time with Supernovae

Exploding stars seen across immense distances show that the cosmic expansion may be accelerating--a sign that the universe may be driven apart by an exotic new form of energy

January 1, 1999 — Craig J. Hogan, Nicholas B. Suntzeff and Robert P. Kirshner

The Earth's Elements

The elements that make up the earth and its inhabitants were created by earlier generations of stars

October 1, 1994 — Robert P. Kirshner

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