... In autumn 1994, two groups of astronomers announced that they had discovered Cepheid ... discovered that the universe is expanding, astronomers have used Cepheids as the ... Astronomers have cataloged over 30,000 variables. ...
... plus an extra first visit for the astronomer to observe the class anonymously ... begin with an observation visit so that the astronomer can see what the school and ...
... I - SPACE EXPLORATION AND SETI . J - TOOLS OF THE ASTRONOMER . K - DEBUNKING PSEUDOSCIENCE . L - ASTRONOMY IN. ... M-6 . Picturing an Astronomer . M-7 . Puzzling Space Collection . TOP . ...
... of volunteer amateur and professional astronomers around the country with classroom ... was tremendous interest in what the astronomers and their educator partners were ...
... 8. Plot a phase diagram . 9. Compare your estimate of the date of maximum brightness with astronomers' predictions. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ...
... and the Astronomers of Yore . First You Must Measure.....And Then You Can Understand. ... Because this angle does not change as the Earth rotates, astronomers use it to describe the positions of stars. ...
... for whom we list individual resources, an astronomer must have had something non ... 3. Material on Some Specific Women Astronomers of the Past: . Annie Cannon . ... Beatrice Tinsley . 4. Material on Some Specific Living Astronomers who are Women: . ...