Physics

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Why do we measure some distances in astronomy in light-years and some in astronomical units? What ... Started by bb	3 Replies 70 Views	Jul 27, 2018 by cat123
I live 20 minutes from Center City. How is this statement similar to giving astronomical distances ... Started by saraeharris	1 Replies 60 Views	Jul 27, 2018 by sierrahalpin
Considering that the Sun is about 1/100 AU in diameter and a typical planet like Earth is 1/10,000 ... Started by bobypop	1 Replies 37 Views	Jul 27, 2018 by nikmaaacs
Draw a schematic (not to scale) diagram showing the Sun, the Earth circling around it, and the other ... Started by imanialler	1 Replies 62 Views	Jul 27, 2018 by poopface
Is the scientific method a hypothesis? How do you know? What will be an ideal ... Started by jparksx	3 Replies 137 Views	Jul 27, 2018 by bookworm410
Draw a schematic (not to scale) of filaments, walls, and voids, labeling each. What will be an ... Started by appyboo	1 Replies 75 Views	Jul 27, 2018 by BAOCHAU2803
An observer on Earth's equator would find _______ a. the celestial equator passing at 45 degrees ... Started by jparksx	1 Replies 154 Views	Jul 27, 2018 by amit
An observer on Earth's geographic north pole would find a. Polaris directly overhead. b. Polaris ... Started by craiczarry	1 Replies 133 Views	Jul 27, 2018 by LegendaryAnswers
The celestial equator is a. a line around the sky directly above Earth's equator. b. the ... Started by ashley	3 Replies 124 Views	Jul 27, 2018 by Pariscourtney
Constellation names are from _____ translated into _______, the language of science in Europe to the ... Started by stock	1 Replies 69 Views	Jul 27, 2018 by emilymalinowski12
The magnitude scale a. originated just after the telescope was invented. b. can be used to ... Started by SO00	1 Replies 43 Views	Jul 27, 2018 by Bsand8
The apparent visual magnitude of a star is 7.3 . This tells us that the star is a. one of the ... Started by bobthebuilder	1 Replies 64 Views	Jul 27, 2018 by moormoney
The ____ of an object can be measured in degrees. a. apparent brightness b. apparent magnitude ... Started by bucstennis@aim.com	3 Replies 143 Views	Jul 27, 2018 by Jevvish
A(n) ____ is 1/60th of a degree. a. precession b. second of arc c. minute of arc d. nadir e. ... Started by lindiwe	1 Replies 115 Views	Jul 27, 2018 by CAPTAINAMERICA
In contrast to Ursa Major, the Big Dipper is not a(n) ___ but is instead a(n) ______ a. star; ... Started by faduma	1 Replies 65 Views	Jul 27, 2018 by dlook33
An observer in the Northern Hemisphere watches the sky for several hours. Due to the motion of ... Started by Pineappleeh	1 Replies 147 Views	Jul 27, 2018 by bdobbins
You live at a latitude of 16 S. What is the angle between the southern horizon and the south ... Started by yoroshambo	3 Replies 101 Views	Jul 27, 2018 by smrerig
If the north celestial pole appears on your horizon, what is your latitude? a. 90 N b. 90 S c. ... Started by jenna1	1 Replies 82 Views	Jul 27, 2018 by shailee
Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is ... Started by jc611	1 Replies 90 Views	Jul 27, 2018 by verrinzo
If you point toward the zenith right now and then point there again 6 hours later, you will have ... Started by EAugust	1 Replies 60 Views	Jul 27, 2018 by voltaire123
If you were standing on the Earth's equator, which of the following in the sky would pass through ... Started by Ebrown	3 Replies 74 Views	Jul 27, 2018 by lkoler
Stars in the same constellation a. probably formed at the same time. b. must be part of the same ... Started by dalyningkenk	1 Replies 73 Views	Jul 27, 2018 by pikon
In one way of naming stars, a(n) ____ letter indicates its brightness relative to the other stars in ... Started by urbanoutfitters	1 Replies 104 Views	Jul 27, 2018 by ultraflyy23
Seen from the northern latitudes, the star Polaris a. is never above the horizon during the day. ... Started by ishan	1 Replies 76 Views	Jul 27, 2018 by Edwyer
How much of the sky is north of the celestial equator? a. less than one-half, because of the tilt ... Started by Mr.Thesaxman	3 Replies 75 Views	Jul 27, 2018 by fdliggud